Add 63/56 and 42/15
1st number: 1 7/56, 2nd number: 2 12/15
63/56 + 42/15 is 157/40.
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,
63/56 = 63 × 15/56 × 15 = 945/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
42/15 = 42 × 56/15 × 56 = 2352/840 - Add the two like fractions:
945/840 + 2352/840 = 945 + 2352/840 = 3297/840 - 3297/840 simplified gives 157/40
- So, 63/56 + 42/15 = 157/40
In mixed form: 337/40
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