Subtract 28/40 from 24/70
24/70 - 28/40 is -5/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
24/70 = 24 × 4/70 × 4 = 96/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
28/40 = 28 × 7/40 × 7 = 196/280 - Subtract the two like fractions:
96/280 - 196/280 = 96 - 196/280 = -100/280 - After reducing the fraction, the answer is -5/14
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