Subtract 54/40 from 40/15
1st number: 2 10/15, 2nd number: 1 14/40
40/15 - 54/40 is 79/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
40/15 = 40 × 8/15 × 8 = 320/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
54/40 = 54 × 3/40 × 3 = 162/120 - Subtract the two like fractions:
320/120 - 162/120 = 320 - 162/120 = 158/120 - After reducing the fraction, the answer is 79/60
- In mixed form: 119/60
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