Add 25/35 and 21/63
25/35 + 21/63 is 22/21.
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,
25/35 = 25 × 9/35 × 9 = 225/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
21/63 = 21 × 5/63 × 5 = 105/315 - Add the two like fractions:
225/315 + 105/315 = 225 + 105/315 = 330/315 - 330/315 simplified gives 22/21
- So, 25/35 + 21/63 = 22/21
In mixed form: 11/21
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