Subtract 81/70 from 6/49
1st number: 6/49, 2nd number: 1 11/70
6/49 - 81/70 is -507/490.
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,
6/49 = 6 × 10/49 × 10 = 60/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
81/70 = 81 × 7/70 × 7 = 567/490 - Subtract the two like fractions:
60/490 - 567/490 = 60 - 567/490 = -507/490
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