Subtract 28/8 from 70/50
1st number: 1 20/50, 2nd number: 3 4/8
70/50 - 28/8 is -21/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 50 × 4 = 200,
70/50 = 70 × 4/50 × 4 = 280/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
28/8 = 28 × 25/8 × 25 = 700/200 - Subtract the two like fractions:
280/200 - 700/200 = 280 - 700/200 = -420/200 - After reducing the fraction, the answer is -21/10
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