Add 15/72 and 20/35
15/72 + 20/35 is 131/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 35 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 72 × 35 = 2520,
15/72 = 15 × 35/72 × 35 = 525/2520 - Likewise, for the 2nd fraction, since 35 × 72 = 2520,
20/35 = 20 × 72/35 × 72 = 1440/2520 - Add the two like fractions:
525/2520 + 1440/2520 = 525 + 1440/2520 = 1965/2520 - 1965/2520 simplified gives 131/168
- So, 15/72 + 20/35 = 131/168
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