Subtract 72/45 from 84/56
1st number: 1 28/56, 2nd number: 1 27/45
84/56 - 72/45 is -1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 45 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
84/56 = 84 × 45/56 × 45 = 3780/2520 - Likewise, for the 2nd fraction, since 45 × 56 = 2520,
72/45 = 72 × 56/45 × 56 = 4032/2520 - Subtract the two like fractions:
3780/2520 - 4032/2520 = 3780 - 4032/2520 = -252/2520 - After reducing the fraction, the answer is -1/10
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