Subtract 21/50 from 72/9
1st number: 8 0/9, 2nd number: 21/50
72/9 - 21/50 is 379/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 9 × 50 = 450,
72/9 = 72 × 50/9 × 50 = 3600/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
21/50 = 21 × 9/50 × 9 = 189/450 - Subtract the two like fractions:
3600/450 - 189/450 = 3600 - 189/450 = 3411/450 - After reducing the fraction, the answer is 379/50
- In mixed form: 729/50
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