Subtract 21/49 from 4/35
4/35 - 21/49 is -11/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 49 is 245
Next, find the equivalent fraction of both fractional numbers with denominator 245 - For the 1st fraction, since 35 × 7 = 245,
4/35 = 4 × 7/35 × 7 = 28/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
21/49 = 21 × 5/49 × 5 = 105/245 - Subtract the two like fractions:
28/245 - 105/245 = 28 - 105/245 = -77/245 - After reducing the fraction, the answer is -11/35
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