Subtract 70/50 from 40/48
1st number: 40/48, 2nd number: 1 20/50
40/48 - 70/50 is -17/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 50 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 48 × 25 = 1200,
40/48 = 40 × 25/48 × 25 = 1000/1200 - Likewise, for the 2nd fraction, since 50 × 24 = 1200,
70/50 = 70 × 24/50 × 24 = 1680/1200 - Subtract the two like fractions:
1000/1200 - 1680/1200 = 1000 - 1680/1200 = -680/1200 - After reducing the fraction, the answer is -17/30
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