Add 18/63 and 15/35
18/63 + 15/35 is 5/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
18/63 = 18 × 5/63 × 5 = 90/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
15/35 = 15 × 9/35 × 9 = 135/315 - Add the two like fractions:
90/315 + 135/315 = 90 + 135/315 = 225/315 - 225/315 simplified gives 5/7
- So, 18/63 + 15/35 = 5/7
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