Subtract 42/49 from 30/8
1st number: 3 6/8, 2nd number: 42/49
30/8 - 42/49 is 81/28.
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,
30/8 = 30 × 49/8 × 49 = 1470/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
42/49 = 42 × 8/49 × 8 = 336/392 - Subtract the two like fractions:
1470/392 - 336/392 = 1470 - 336/392 = 1134/392 - After reducing the fraction, the answer is 81/28
- In mixed form: 225/28
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