Subtract 40/28 from 42/50
1st number: 42/50, 2nd number: 1 12/28
42/50 - 40/28 is -103/175.
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,
42/50 = 42 × 14/50 × 14 = 588/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
40/28 = 40 × 25/28 × 25 = 1000/700 - Subtract the two like fractions:
588/700 - 1000/700 = 588 - 1000/700 = -412/700 - After reducing the fraction, the answer is -103/175
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