Add 72/42 and 48/36
1st number: 1 30/42, 2nd number: 1 12/36
72/42 + 48/36 is 64/21.
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,
72/42 = 72 × 6/42 × 6 = 432/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
48/36 = 48 × 7/36 × 7 = 336/252 - Add the two like fractions:
432/252 + 336/252 = 432 + 336/252 = 768/252 - 768/252 simplified gives 64/21
- So, 72/42 + 48/36 = 64/21
In mixed form: 31/21
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