Add 20/36 and 81/28
1st number: 20/36, 2nd number: 2 25/28
20/36 + 81/28 is 869/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 28 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 28 × 9 = 252,
81/28 = 81 × 9/28 × 9 = 729/252 - Add the two like fractions:
140/252 + 729/252 = 140 + 729/252 = 869/252 - So, 20/36 + 81/28 = 869/252
In mixed form: 3113/252
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