Subtract 21/35 from 7/24
7/24 - 21/35 is -37/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 35 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 24 × 35 = 840,
7/24 = 7 × 35/24 × 35 = 245/840 - Likewise, for the 2nd fraction, since 35 × 24 = 840,
21/35 = 21 × 24/35 × 24 = 504/840 - Subtract the two like fractions:
245/840 - 504/840 = 245 - 504/840 = -259/840 - After reducing the fraction, the answer is -37/120
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