Add 70/72 and 20/56
70/72 + 20/56 is 335/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
70/72 = 70 × 7/72 × 7 = 490/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
20/56 = 20 × 9/56 × 9 = 180/504 - Add the two like fractions:
490/504 + 180/504 = 490 + 180/504 = 670/504 - 670/504 simplified gives 335/252
- So, 70/72 + 20/56 = 335/252
In mixed form: 183/252
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