Subtract 9/80 from 81/15
1st number: 5 6/15, 2nd number: 9/80
81/15 - 9/80 is 423/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
81/15 = 81 × 16/15 × 16 = 1296/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
9/80 = 9 × 3/80 × 3 = 27/240 - Subtract the two like fractions:
1296/240 - 27/240 = 1296 - 27/240 = 1269/240 - After reducing the fraction, the answer is 423/80
- In mixed form: 523/80
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