Subtract 81/10 from 10/49
1st number: 10/49, 2nd number: 8 1/10
10/49 - 81/10 is -3869/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
10/49 = 10 × 10/49 × 10 = 100/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
81/10 = 81 × 49/10 × 49 = 3969/490 - Subtract the two like fractions:
100/490 - 3969/490 = 100 - 3969/490 = -3869/490
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