Subtract 72/84 from 45/25
1st number: 1 20/25, 2nd number: 72/84
45/25 - 72/84 is 33/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 25 × 84 = 2100,
45/25 = 45 × 84/25 × 84 = 3780/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
72/84 = 72 × 25/84 × 25 = 1800/2100 - Subtract the two like fractions:
3780/2100 - 1800/2100 = 3780 - 1800/2100 = 1980/2100 - After reducing the fraction, the answer is 33/35
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