Subtract 42/50 from 30/56
30/56 - 42/50 is -213/700.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 50 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 56 × 25 = 1400,
30/56 = 30 × 25/56 × 25 = 750/1400 - Likewise, for the 2nd fraction, since 50 × 28 = 1400,
42/50 = 42 × 28/50 × 28 = 1176/1400 - Subtract the two like fractions:
750/1400 - 1176/1400 = 750 - 1176/1400 = -426/1400 - After reducing the fraction, the answer is -213/700
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