Add 21/40 and 63/32
1st number: 21/40, 2nd number: 1 31/32
21/40 + 63/32 is 399/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 40 × 4 = 160,
21/40 = 21 × 4/40 × 4 = 84/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
63/32 = 63 × 5/32 × 5 = 315/160 - Add the two like fractions:
84/160 + 315/160 = 84 + 315/160 = 399/160 - So, 21/40 + 63/32 = 399/160
In mixed form: 279/160
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