Add 12/63 and 25/40
12/63 + 25/40 is 137/168.
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,
12/63 = 12 × 40/63 × 40 = 480/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
25/40 = 25 × 63/40 × 63 = 1575/2520 - Add the two like fractions:
480/2520 + 1575/2520 = 480 + 1575/2520 = 2055/2520 - 2055/2520 simplified gives 137/168
- So, 12/63 + 25/40 = 137/168
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