Subtract 90/8 from 80/49
1st number: 1 31/49, 2nd number: 11 2/8
80/49 - 90/8 is -1885/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 8 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 49 × 8 = 392,
80/49 = 80 × 8/49 × 8 = 640/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
90/8 = 90 × 49/8 × 49 = 4410/392 - Subtract the two like fractions:
640/392 - 4410/392 = 640 - 4410/392 = -3770/392 - After reducing the fraction, the answer is -1885/196
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