Add 18/63 and 20/35
18/63 + 20/35 is 6/7.
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,
20/35 = 20 × 9/35 × 9 = 180/315 - Add the two like fractions:
90/315 + 180/315 = 90 + 180/315 = 270/315 - 270/315 simplified gives 6/7
- So, 18/63 + 20/35 = 6/7
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