Add 20/35 and 12/72
20/35 + 12/72 is 31/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 35 × 72 = 2520,
20/35 = 20 × 72/35 × 72 = 1440/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
12/72 = 12 × 35/72 × 35 = 420/2520 - Add the two like fractions:
1440/2520 + 420/2520 = 1440 + 420/2520 = 1860/2520 - 1860/2520 simplified gives 31/42
- So, 20/35 + 12/72 = 31/42
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