Subtract 16/4 from 72/30
1st number: 2 12/30, 2nd number: 4 0/4
72/30 - 16/4 is -8/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
72/30 = 72 × 2/30 × 2 = 144/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
16/4 = 16 × 15/4 × 15 = 240/60 - Subtract the two like fractions:
144/60 - 240/60 = 144 - 240/60 = -96/60 - After reducing the fraction, the answer is -8/5
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