Add 15/20 and 63/56
1st number: 15/20, 2nd number: 1 7/56
15/20 + 63/56 is 15/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
15/20 = 15 × 14/20 × 14 = 210/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
63/56 = 63 × 5/56 × 5 = 315/280 - Add the two like fractions:
210/280 + 315/280 = 210 + 315/280 = 525/280 - 525/280 simplified gives 15/8
- So, 15/20 + 63/56 = 15/8
In mixed form: 17/8
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