Subtract 6/36 from 72/42
1st number: 1 30/42, 2nd number: 6/36
72/42 - 6/36 is 65/42.
Steps for subtracting 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,
6/36 = 6 × 7/36 × 7 = 42/252 - Subtract the two like fractions:
432/252 - 42/252 = 432 - 42/252 = 390/252 - After reducing the fraction, the answer is 65/42
- In mixed form: 123/42
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