Add 28/36 and 18/42
28/36 + 18/42 is 76/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 42 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
28/36 = 28 × 7/36 × 7 = 196/252 - Likewise, for the 2nd fraction, since 42 × 6 = 252,
18/42 = 18 × 6/42 × 6 = 108/252 - Add the two like fractions:
196/252 + 108/252 = 196 + 108/252 = 304/252 - 304/252 simplified gives 76/63
- So, 28/36 + 18/42 = 76/63
In mixed form: 113/63
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