Add 63/40 and 15/56
1st number: 1 23/40, 2nd number: 15/56
63/40 + 15/56 is 129/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
63/40 = 63 × 7/40 × 7 = 441/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
15/56 = 15 × 5/56 × 5 = 75/280 - Add the two like fractions:
441/280 + 75/280 = 441 + 75/280 = 516/280 - 516/280 simplified gives 129/70
- So, 63/40 + 15/56 = 129/70
In mixed form: 159/70
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