Subtract 30/5 from 20/72
1st number: 20/72, 2nd number: 6 0/5
20/72 - 30/5 is -103/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 5 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
20/72 = 20 × 5/72 × 5 = 100/360 - Likewise, for the 2nd fraction, since 5 × 72 = 360,
30/5 = 30 × 72/5 × 72 = 2160/360 - Subtract the two like fractions:
100/360 - 2160/360 = 100 - 2160/360 = -2060/360 - After reducing the fraction, the answer is -103/18
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