Add 72/42 and 27/28
1st number: 1 30/42, 2nd number: 27/28
72/42 + 27/28 is 75/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
72/42 = 72 × 2/42 × 2 = 144/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
27/28 = 27 × 3/28 × 3 = 81/84 - Add the two like fractions:
144/84 + 81/84 = 144 + 81/84 = 225/84 - 225/84 simplified gives 75/28
- So, 72/42 + 27/28 = 75/28
In mixed form: 219/28
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