Subtract 15/30 from 80/4
1st number: 20 0/4, 2nd number: 15/30
80/4 - 15/30 is 39/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
80/4 = 80 × 15/4 × 15 = 1200/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
15/30 = 15 × 2/30 × 2 = 30/60 - Subtract the two like fractions:
1200/60 - 30/60 = 1200 - 30/60 = 1170/60 - After reducing the fraction, the answer is 39/2
- In mixed form: 191/2
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