Subtract 21/70 from 50/25
1st number: 2 0/25, 2nd number: 21/70
50/25 - 21/70 is 17/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 25 × 14 = 350,
50/25 = 50 × 14/25 × 14 = 700/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
21/70 = 21 × 5/70 × 5 = 105/350 - Subtract the two like fractions:
700/350 - 105/350 = 700 - 105/350 = 595/350 - After reducing the fraction, the answer is 17/10
- In mixed form: 17/10
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