Add 63/40 and 21/5
1st number: 1 23/40, 2nd number: 4 1/5
63/40 + 21/5 is 231/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
63/40 = 63 × 1/40 × 1 = 63/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
21/5 = 21 × 8/5 × 8 = 168/40 - Add the two like fractions:
63/40 + 168/40 = 63 + 168/40 = 231/40 - So, 63/40 + 21/5 = 231/40
In mixed form: 531/40
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