Subtract 75/50 from 70/84
1st number: 70/84, 2nd number: 1 25/50
70/84 - 75/50 is -2/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 50 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
70/84 = 70 × 25/84 × 25 = 1750/2100 - Likewise, for the 2nd fraction, since 50 × 42 = 2100,
75/50 = 75 × 42/50 × 42 = 3150/2100 - Subtract the two like fractions:
1750/2100 - 3150/2100 = 1750 - 3150/2100 = -1400/2100 - After reducing the fraction, the answer is -2/3
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