Add 21/16 and 56/63
1st number: 1 5/16, 2nd number: 56/63
21/16 + 56/63 is 317/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 63 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 16 × 63 = 1008,
21/16 = 21 × 63/16 × 63 = 1323/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
56/63 = 56 × 16/63 × 16 = 896/1008 - Add the two like fractions:
1323/1008 + 896/1008 = 1323 + 896/1008 = 2219/1008 - 2219/1008 simplified gives 317/144
- So, 21/16 + 56/63 = 317/144
In mixed form: 229/144
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