Subtract 10/80 from 30/15
1st number: 2 0/15, 2nd number: 10/80
30/15 - 10/80 is 15/8.
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,
30/15 = 30 × 16/15 × 16 = 480/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
10/80 = 10 × 3/80 × 3 = 30/240 - Subtract the two like fractions:
480/240 - 30/240 = 480 - 30/240 = 450/240 - After reducing the fraction, the answer is 15/8
- In mixed form: 17/8
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