Add 27/72 and 40/70
27/72 + 40/70 is 53/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 70 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 72 × 35 = 2520,
27/72 = 27 × 35/72 × 35 = 945/2520 - Likewise, for the 2nd fraction, since 70 × 36 = 2520,
40/70 = 40 × 36/70 × 36 = 1440/2520 - Add the two like fractions:
945/2520 + 1440/2520 = 945 + 1440/2520 = 2385/2520 - 2385/2520 simplified gives 53/56
- So, 27/72 + 40/70 = 53/56
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