Subtract 75/45 from 4/84
1st number: 4/84, 2nd number: 1 30/45
4/84 - 75/45 is -34/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
4/84 = 4 × 15/84 × 15 = 60/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
75/45 = 75 × 28/45 × 28 = 2100/1260 - Subtract the two like fractions:
60/1260 - 2100/1260 = 60 - 2100/1260 = -2040/1260 - After reducing the fraction, the answer is -34/21
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