Subtract 15/80 from 7/30
7/30 - 15/80 is 11/240.
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,
7/30 = 7 × 8/30 × 8 = 56/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
15/80 = 15 × 3/80 × 3 = 45/240 - Subtract the two like fractions:
56/240 - 45/240 = 56 - 45/240 = 11/240
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