Add 20/70 and 9/72
20/70 + 9/72 is 23/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 70 × 36 = 2520,
20/70 = 20 × 36/70 × 36 = 720/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
9/72 = 9 × 35/72 × 35 = 315/2520 - Add the two like fractions:
720/2520 + 315/2520 = 720 + 315/2520 = 1035/2520 - 1035/2520 simplified gives 23/56
- So, 20/70 + 9/72 = 23/56
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