Add 1/15 and 81/56
1st number: 1/15, 2nd number: 1 25/56
1/15 + 81/56 is 1271/840.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
1/15 = 1 × 56/15 × 56 = 56/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
81/56 = 81 × 15/56 × 15 = 1215/840 - Add the two like fractions:
56/840 + 1215/840 = 56 + 1215/840 = 1271/840 - So, 1/15 + 81/56 = 1271/840
In mixed form: 1431/840
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