Subtract 12/80 from 75/30
1st number: 2 15/30, 2nd number: 12/80
75/30 - 12/80 is 47/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
75/30 = 75 × 8/30 × 8 = 600/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
12/80 = 12 × 3/80 × 3 = 36/240 - Subtract the two like fractions:
600/240 - 36/240 = 600 - 36/240 = 564/240 - After reducing the fraction, the answer is 47/20
- In mixed form: 27/20
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