Subtract 21/35 from 2/4
2/4 - 21/35 is -1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
2/4 = 2 × 35/4 × 35 = 70/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
21/35 = 21 × 4/35 × 4 = 84/140 - Subtract the two like fractions:
70/140 - 84/140 = 70 - 84/140 = -14/140 - After reducing the fraction, the answer is -1/10
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