Add 63/40 and 20/15
1st number: 1 23/40, 2nd number: 1 5/15
63/40 + 20/15 is 349/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
63/40 = 63 × 3/40 × 3 = 189/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
20/15 = 20 × 8/15 × 8 = 160/120 - Add the two like fractions:
189/120 + 160/120 = 189 + 160/120 = 349/120 - So, 63/40 + 20/15 = 349/120
In mixed form: 2109/120
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