Subtract 21/70 from 6/48
6/48 - 21/70 is -7/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 70 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 48 × 35 = 1680,
6/48 = 6 × 35/48 × 35 = 210/1680 - Likewise, for the 2nd fraction, since 70 × 24 = 1680,
21/70 = 21 × 24/70 × 24 = 504/1680 - Subtract the two like fractions:
210/1680 - 504/1680 = 210 - 504/1680 = -294/1680 - After reducing the fraction, the answer is -7/40
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