Subtract 80/30 from 45/49
1st number: 45/49, 2nd number: 2 20/30
45/49 - 80/30 is -257/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 49 × 30 = 1470,
45/49 = 45 × 30/49 × 30 = 1350/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
80/30 = 80 × 49/30 × 49 = 3920/1470 - Subtract the two like fractions:
1350/1470 - 3920/1470 = 1350 - 3920/1470 = -2570/1470 - After reducing the fraction, the answer is -257/147
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