Subtract 80/70 from 54/49
1st number: 1 5/49, 2nd number: 1 10/70
54/49 - 80/70 is -2/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
54/49 = 54 × 10/49 × 10 = 540/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
80/70 = 80 × 7/70 × 7 = 560/490 - Subtract the two like fractions:
540/490 - 560/490 = 540 - 560/490 = -20/490 - After reducing the fraction, the answer is -2/49
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