Subtract 21/50 from 84/72
1st number: 1 12/72, 2nd number: 21/50
84/72 - 21/50 is 56/75.
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,
84/72 = 84 × 25/72 × 25 = 2100/1800 - Likewise, for the 2nd fraction, since 50 × 36 = 1800,
21/50 = 21 × 36/50 × 36 = 756/1800 - Subtract the two like fractions:
2100/1800 - 756/1800 = 2100 - 756/1800 = 1344/1800 - After reducing the fraction, the answer is 56/75
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