To add or subtract fractions the denominators MUST match. If they do not, new equal fraction with common denominators MUST be made first. 4 5 1 3 x3 x5 x3 x5 12 15 15 To add or subtract fractions the denominators MUST match. If they do not, new equal fraction with common denominators MUST be made first. 1 2 1 3 x3 x2 x3 x2 3 6 6 To add or subtract fractions the denominators MUST match. If they do not, new equal fraction with common denominators MUST be made first. 3 4 1 3 x3 x4 x3 x4 9 12 12 To add or subtract fractions the denominators MUST match. If they do not, new equal fraction with common denominators MUST be made first. 3 4 2 3 9 12 12 To add or subtract fractions the denominators MUST match. If they do not, new equal fraction with common denominators MUST be made first. 3 4 1 5 15 20 20 To add or subtract fractions the denominators MUST match. If they do not, new equal fraction with common denominators MUST be made first. 3 4 2 5 20 To add or subtract fractions the denominators MUST match. If they do not, new equal fraction with common denominators MUST be made first. 1 3 2 5 To add or subtract fractions the denominators MUST match. If they do not, new equal fraction with common denominators MUST be made first. 1 2 2 3 To add or subtract fractions the denominators MUST match. If they do not, new equal fraction with common denominators MUST be made first. 3 7 1 3 To add or subtract fractions the denominators MUST match. If they do not, new equal fraction with common denominators MUST be made first. 1 4 3 5 |