Subtract 70/50 from 21/7
1st number: 3 0/7, 2nd number: 1 20/50
21/7 - 70/50 is 8/5.
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,
70/50 = 70 × 7/50 × 7 = 490/350 - Subtract the two like fractions:
1050/350 - 490/350 = 1050 - 490/350 = 560/350 - After reducing the fraction, the answer is 8/5
- In mixed form: 13/5
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