Subtract 7/84 from 28/40
28/40 - 7/84 is 37/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 84 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 40 × 21 = 840,
28/40 = 28 × 21/40 × 21 = 588/840 - Likewise, for the 2nd fraction, since 84 × 10 = 840,
7/84 = 7 × 10/84 × 10 = 70/840 - Subtract the two like fractions:
588/840 - 70/840 = 588 - 70/840 = 518/840 - After reducing the fraction, the answer is 37/60
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