Add 72/14 and 84/28
1st number: 5 2/14, 2nd number: 3 0/28
72/14 + 84/28 is 57/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
72/14 = 72 × 2/14 × 2 = 144/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
84/28 = 84 × 1/28 × 1 = 84/28 - Add the two like fractions:
144/28 + 84/28 = 144 + 84/28 = 228/28 - 228/28 simplified gives 57/7
- So, 72/14 + 84/28 = 57/7
In mixed form: 81/7
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