Subtract 75/70 from 54/15
1st number: 3 9/15, 2nd number: 1 5/70
54/15 - 75/70 is 177/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
54/15 = 54 × 14/15 × 14 = 756/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
75/70 = 75 × 3/70 × 3 = 225/210 - Subtract the two like fractions:
756/210 - 225/210 = 756 - 225/210 = 531/210 - After reducing the fraction, the answer is 177/70
- In mixed form: 237/70
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