Subtract 21/28 from 2/35
2/35 - 21/28 is -97/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
2/35 = 2 × 4/35 × 4 = 8/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
21/28 = 21 × 5/28 × 5 = 105/140 - Subtract the two like fractions:
8/140 - 105/140 = 8 - 105/140 = -97/140
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