Add 20/36 and 4/7
20/36 + 4/7 is 71/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
20/36 = 20 × 7/36 × 7 = 140/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
4/7 = 4 × 36/7 × 36 = 144/252 - Add the two like fractions:
140/252 + 144/252 = 140 + 144/252 = 284/252 - 284/252 simplified gives 71/63
- So, 20/36 + 4/7 = 71/63
In mixed form: 18/63
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