Add 40/42 and 15/36
40/42 + 15/36 is 115/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 42 × 6 = 252,
40/42 = 40 × 6/42 × 6 = 240/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
15/36 = 15 × 7/36 × 7 = 105/252 - Add the two like fractions:
240/252 + 105/252 = 240 + 105/252 = 345/252 - 345/252 simplified gives 115/84
- So, 40/42 + 15/36 = 115/84
In mixed form: 131/84
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