Subtract 28/35 from 18/24
18/24 - 28/35 is -1/20.
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,
18/24 = 18 × 35/24 × 35 = 630/840 - Likewise, for the 2nd fraction, since 35 × 24 = 840,
28/35 = 28 × 24/35 × 24 = 672/840 - Subtract the two like fractions:
630/840 - 672/840 = 630 - 672/840 = -42/840 - After reducing the fraction, the answer is -1/20
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