Subtract 90/28 from 2/5
1st number: 2/5, 2nd number: 3 6/28
2/5 - 90/28 is -197/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 5 × 28 = 140,
2/5 = 2 × 28/5 × 28 = 56/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
90/28 = 90 × 5/28 × 5 = 450/140 - Subtract the two like fractions:
56/140 - 450/140 = 56 - 450/140 = -394/140 - After reducing the fraction, the answer is -197/70
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