Add 42/63 and 25/40
42/63 + 25/40 is 31/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 40 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 63 × 40 = 2520,
42/63 = 42 × 40/63 × 40 = 1680/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
25/40 = 25 × 63/40 × 63 = 1575/2520 - Add the two like fractions:
1680/2520 + 1575/2520 = 1680 + 1575/2520 = 3255/2520 - 3255/2520 simplified gives 31/24
- So, 42/63 + 25/40 = 31/24
In mixed form: 17/24
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