Subtract 72/45 from 8/84
1st number: 8/84, 2nd number: 1 27/45
8/84 - 72/45 is -158/105.
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,
8/84 = 8 × 15/84 × 15 = 120/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
72/45 = 72 × 28/45 × 28 = 2016/1260 - Subtract the two like fractions:
120/1260 - 2016/1260 = 120 - 2016/1260 = -1896/1260 - After reducing the fraction, the answer is -158/105
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