Add 42/63 and 21/25
42/63 + 21/25 is 113/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 25 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 63 × 25 = 1575,
42/63 = 42 × 25/63 × 25 = 1050/1575 - Likewise, for the 2nd fraction, since 25 × 63 = 1575,
21/25 = 21 × 63/25 × 63 = 1323/1575 - Add the two like fractions:
1050/1575 + 1323/1575 = 1050 + 1323/1575 = 2373/1575 - 2373/1575 simplified gives 113/75
- So, 42/63 + 21/25 = 113/75
In mixed form: 138/75
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