Subtract 90/80 from 54/30
1st number: 1 24/30, 2nd number: 1 10/80
54/30 - 90/80 is 27/40.
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,
54/30 = 54 × 8/30 × 8 = 432/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
90/80 = 90 × 3/80 × 3 = 270/240 - Subtract the two like fractions:
432/240 - 270/240 = 432 - 270/240 = 162/240 - After reducing the fraction, the answer is 27/40
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