Subtract 80/50 from 30/72
1st number: 30/72, 2nd number: 1 30/50
30/72 - 80/50 is -71/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 50 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
30/72 = 30 × 25/72 × 25 = 750/1800 - Likewise, for the 2nd fraction, since 50 × 36 = 1800,
80/50 = 80 × 36/50 × 36 = 2880/1800 - Subtract the two like fractions:
750/1800 - 2880/1800 = 750 - 2880/1800 = -2130/1800 - After reducing the fraction, the answer is -71/60
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