Subtract 40/28 from 21/50
1st number: 21/50, 2nd number: 1 12/28
21/50 - 40/28 is -353/350.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 28 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 50 × 14 = 700,
21/50 = 21 × 14/50 × 14 = 294/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
40/28 = 40 × 25/28 × 25 = 1000/700 - Subtract the two like fractions:
294/700 - 1000/700 = 294 - 1000/700 = -706/700 - After reducing the fraction, the answer is -353/350
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