Add 72/28 and 20/7
1st number: 2 16/28, 2nd number: 2 6/7
72/28 + 20/7 is 38/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
72/28 = 72 × 1/28 × 1 = 72/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
20/7 = 20 × 4/7 × 4 = 80/28 - Add the two like fractions:
72/28 + 80/28 = 72 + 80/28 = 152/28 - 152/28 simplified gives 38/7
- So, 72/28 + 20/7 = 38/7
In mixed form: 53/7
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