Subtract 15/40 from 70/4
1st number: 17 2/4, 2nd number: 15/40
70/4 - 15/40 is 137/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
70/4 = 70 × 10/4 × 10 = 700/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
15/40 = 15 × 1/40 × 1 = 15/40 - Subtract the two like fractions:
700/40 - 15/40 = 700 - 15/40 = 685/40 - After reducing the fraction, the answer is 137/8
- In mixed form: 171/8
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