Add 9/15 and 40/63
9/15 + 40/63 is 389/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 15 × 21 = 315,
9/15 = 9 × 21/15 × 21 = 189/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
40/63 = 40 × 5/63 × 5 = 200/315 - Add the two like fractions:
189/315 + 200/315 = 189 + 200/315 = 389/315 - So, 9/15 + 40/63 = 389/315
In mixed form: 174/315
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