Subtract 81/15 from 16/4
1st number: 4 0/4, 2nd number: 5 6/15
16/4 - 81/15 is -7/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
16/4 = 16 × 15/4 × 15 = 240/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
81/15 = 81 × 4/15 × 4 = 324/60 - Subtract the two like fractions:
240/60 - 324/60 = 240 - 324/60 = -84/60 - After reducing the fraction, the answer is -7/5
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