Add 15/35 and 45/63
15/35 + 45/63 is 8/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
15/35 = 15 × 9/35 × 9 = 135/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
45/63 = 45 × 5/63 × 5 = 225/315 - Add the two like fractions:
135/315 + 225/315 = 135 + 225/315 = 360/315 - 360/315 simplified gives 8/7
- So, 15/35 + 45/63 = 8/7
In mixed form: 11/7
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