Add 72/28 and 40/56
1st number: 2 16/28, 2nd number: 40/56
72/28 + 40/56 is 23/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
72/28 = 72 × 2/28 × 2 = 144/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
40/56 = 40 × 1/56 × 1 = 40/56 - Add the two like fractions:
144/56 + 40/56 = 144 + 40/56 = 184/56 - 184/56 simplified gives 23/7
- So, 72/28 + 40/56 = 23/7
In mixed form: 32/7
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