Add 81/56 and 4/15
1st number: 1 25/56, 2nd number: 4/15
81/56 + 4/15 is 1439/840.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 15 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
81/56 = 81 × 15/56 × 15 = 1215/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
4/15 = 4 × 56/15 × 56 = 224/840 - Add the two like fractions:
1215/840 + 224/840 = 1215 + 224/840 = 1439/840 - So, 81/56 + 4/15 = 1439/840
In mixed form: 1599/840
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