Subtract 35/50 from 21/49
21/49 - 35/50 is -19/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 50 is 2450
Next, find the equivalent fraction of both fractional numbers with denominator 2450 - For the 1st fraction, since 49 × 50 = 2450,
21/49 = 21 × 50/49 × 50 = 1050/2450 - Likewise, for the 2nd fraction, since 50 × 49 = 2450,
35/50 = 35 × 49/50 × 49 = 1715/2450 - Subtract the two like fractions:
1050/2450 - 1715/2450 = 1050 - 1715/2450 = -665/2450 - After reducing the fraction, the answer is -19/70
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