Add 21/63 and 9/35
21/63 + 9/35 is 62/105.
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,
21/63 = 21 × 5/63 × 5 = 105/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
9/35 = 9 × 9/35 × 9 = 81/315 - Add the two like fractions:
105/315 + 81/315 = 105 + 81/315 = 186/315 - 186/315 simplified gives 62/105
- So, 21/63 + 9/35 = 62/105
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