Subtract 56/12 from 50/70
1st number: 50/70, 2nd number: 4 8/12
50/70 - 56/12 is -83/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
50/70 = 50 × 6/70 × 6 = 300/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
56/12 = 56 × 35/12 × 35 = 1960/420 - Subtract the two like fractions:
300/420 - 1960/420 = 300 - 1960/420 = -1660/420 - After reducing the fraction, the answer is -83/21
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