Subtract 75/30 from 18/56
1st number: 18/56, 2nd number: 2 15/30
18/56 - 75/30 is -61/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 30 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
18/56 = 18 × 15/56 × 15 = 270/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
75/30 = 75 × 28/30 × 28 = 2100/840 - Subtract the two like fractions:
270/840 - 2100/840 = 270 - 2100/840 = -1830/840 - After reducing the fraction, the answer is -61/28
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