Subtract 21/24 from 32/70
32/70 - 21/24 is -117/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 24 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 70 × 12 = 840,
32/70 = 32 × 12/70 × 12 = 384/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
21/24 = 21 × 35/24 × 35 = 735/840 - Subtract the two like fractions:
384/840 - 735/840 = 384 - 735/840 = -351/840 - After reducing the fraction, the answer is -117/280
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