Add 20/4 and 81/28
1st number: 5 0/4, 2nd number: 2 25/28
20/4 + 81/28 is 221/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
20/4 = 20 × 7/4 × 7 = 140/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
81/28 = 81 × 1/28 × 1 = 81/28 - Add the two like fractions:
140/28 + 81/28 = 140 + 81/28 = 221/28 - So, 20/4 + 81/28 = 221/28
In mixed form: 725/28
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