Subtract 9/56 from 80/30
1st number: 2 20/30, 2nd number: 9/56
80/30 - 9/56 is 421/168.
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,
80/30 = 80 × 28/30 × 28 = 2240/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
9/56 = 9 × 15/56 × 15 = 135/840 - Subtract the two like fractions:
2240/840 - 135/840 = 2240 - 135/840 = 2105/840 - After reducing the fraction, the answer is 421/168
- In mixed form: 285/168
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