Add 15/56 and 70/81
15/56 + 70/81 is 5135/4536.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 81 is 4536
Next, find the equivalent fraction of both fractional numbers with denominator 4536 - For the 1st fraction, since 56 × 81 = 4536,
15/56 = 15 × 81/56 × 81 = 1215/4536 - Likewise, for the 2nd fraction, since 81 × 56 = 4536,
70/81 = 70 × 56/81 × 56 = 3920/4536 - Add the two like fractions:
1215/4536 + 3920/4536 = 1215 + 3920/4536 = 5135/4536 - So, 15/56 + 70/81 = 5135/4536
In mixed form: 1599/4536
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