Subtract 18/50 from 21/7
1st number: 3 0/7, 2nd number: 18/50
21/7 - 18/50 is 66/25.
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,
21/7 = 21 × 50/7 × 50 = 1050/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
18/50 = 18 × 7/50 × 7 = 126/350 - Subtract the two like fractions:
1050/350 - 126/350 = 1050 - 126/350 = 924/350 - After reducing the fraction, the answer is 66/25
- In mixed form: 216/25
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