Subtract 72/56 from 3/30
1st number: 3/30, 2nd number: 1 16/56
3/30 - 72/56 is -83/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
3/30 = 3 × 28/30 × 28 = 84/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
72/56 = 72 × 15/56 × 15 = 1080/840 - Subtract the two like fractions:
84/840 - 1080/840 = 84 - 1080/840 = -996/840 - After reducing the fraction, the answer is -83/70
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