Subtract 21/50 from 72/7
1st number: 10 2/7, 2nd number: 21/50
72/7 - 21/50 is 3453/350.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 7 × 50 = 350,
72/7 = 72 × 50/7 × 50 = 3600/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
21/50 = 21 × 7/50 × 7 = 147/350 - Subtract the two like fractions:
3600/350 - 147/350 = 3600 - 147/350 = 3453/350 - In mixed form: 9303/350
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