Add 63/40 and 12/15
1st number: 1 23/40, 2nd number: 12/15
63/40 + 12/15 is 19/8.
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,
12/15 = 12 × 8/15 × 8 = 96/120 - Add the two like fractions:
189/120 + 96/120 = 189 + 96/120 = 285/120 - 285/120 simplified gives 19/8
- So, 63/40 + 12/15 = 19/8
In mixed form: 23/8
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