Add 2/5 and 63/40
1st number: 2/5, 2nd number: 1 23/40
2/5 + 63/40 is 79/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
2/5 = 2 × 8/5 × 8 = 16/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
63/40 = 63 × 1/40 × 1 = 63/40 - Add the two like fractions:
16/40 + 63/40 = 16 + 63/40 = 79/40 - So, 2/5 + 63/40 = 79/40
In mixed form: 139/40
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