Subtract 40/56 from 90/30
1st number: 3 0/30, 2nd number: 40/56
90/30 - 40/56 is 16/7.
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,
90/30 = 90 × 28/30 × 28 = 2520/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
40/56 = 40 × 15/56 × 15 = 600/840 - Subtract the two like fractions:
2520/840 - 600/840 = 2520 - 600/840 = 1920/840 - After reducing the fraction, the answer is 16/7
- In mixed form: 22/7
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