Add 63/40 and 9/15
1st number: 1 23/40, 2nd number: 9/15
63/40 + 9/15 is 87/40.
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,
9/15 = 9 × 8/15 × 8 = 72/120 - Add the two like fractions:
189/120 + 72/120 = 189 + 72/120 = 261/120 - 261/120 simplified gives 87/40
- So, 63/40 + 9/15 = 87/40
In mixed form: 27/40
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