Subtract 90/50 from 3/72
1st number: 3/72, 2nd number: 1 40/50
3/72 - 90/50 is -211/120.
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,
3/72 = 3 × 25/72 × 25 = 75/1800 - Likewise, for the 2nd fraction, since 50 × 36 = 1800,
90/50 = 90 × 36/50 × 36 = 3240/1800 - Subtract the two like fractions:
75/1800 - 3240/1800 = 75 - 3240/1800 = -3165/1800 - After reducing the fraction, the answer is -211/120
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