Add 10/15 and 45/63
10/15 + 45/63 is 29/21.
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,
10/15 = 10 × 21/15 × 21 = 210/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
45/63 = 45 × 5/63 × 5 = 225/315 - Add the two like fractions:
210/315 + 225/315 = 210 + 225/315 = 435/315 - 435/315 simplified gives 29/21
- So, 10/15 + 45/63 = 29/21
In mixed form: 18/21
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