Subtract 81/35 from 2/90
1st number: 2/90, 2nd number: 2 11/35
2/90 - 81/35 is -722/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
2/90 = 2 × 7/90 × 7 = 14/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
81/35 = 81 × 18/35 × 18 = 1458/630 - Subtract the two like fractions:
14/630 - 1458/630 = 14 - 1458/630 = -1444/630 - After reducing the fraction, the answer is -722/315
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