Add 56/15 and 90/7
1st number: 3 11/15, 2nd number: 12 6/7
56/15 + 90/7 is 1742/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
56/15 = 56 × 7/15 × 7 = 392/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
90/7 = 90 × 15/7 × 15 = 1350/105 - Add the two like fractions:
392/105 + 1350/105 = 392 + 1350/105 = 1742/105 - So, 56/15 + 90/7 = 1742/105
In mixed form: 1662/105
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