Add 9/15 and 63/40
1st number: 9/15, 2nd number: 1 23/40
9/15 + 63/40 is 87/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
9/15 = 9 × 8/15 × 8 = 72/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
63/40 = 63 × 3/40 × 3 = 189/120 - Add the two like fractions:
72/120 + 189/120 = 72 + 189/120 = 261/120 - 261/120 simplified gives 87/40
- So, 9/15 + 63/40 = 87/40
In mixed form: 27/40
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