Subtract 50/36 from 72/80
1st number: 72/80, 2nd number: 1 14/36
72/80 - 50/36 is -22/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 36 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
72/80 = 72 × 9/80 × 9 = 648/720 - Likewise, for the 2nd fraction, since 36 × 20 = 720,
50/36 = 50 × 20/36 × 20 = 1000/720 - Subtract the two like fractions:
648/720 - 1000/720 = 648 - 1000/720 = -352/720 - After reducing the fraction, the answer is -22/45
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Related: 72/80-50/72