Subtract 42/49 from 72/8
1st number: 9 0/8, 2nd number: 42/49
72/8 - 42/49 is 57/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 49 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 8 × 49 = 392,
72/8 = 72 × 49/8 × 49 = 3528/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
42/49 = 42 × 8/49 × 8 = 336/392 - Subtract the two like fractions:
3528/392 - 336/392 = 3528 - 336/392 = 3192/392 - After reducing the fraction, the answer is 57/7
- In mixed form: 81/7
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