Add 70/28 and 81/36
1st number: 2 14/28, 2nd number: 2 9/36
70/28 + 81/36 is 19/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
70/28 = 70 × 9/28 × 9 = 630/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
81/36 = 81 × 7/36 × 7 = 567/252 - Add the two like fractions:
630/252 + 567/252 = 630 + 567/252 = 1197/252 - 1197/252 simplified gives 19/4
- So, 70/28 + 81/36 = 19/4
In mixed form: 43/4
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