Subtract 21/35 from 70/28
1st number: 2 14/28, 2nd number: 21/35
70/28 - 21/35 is 19/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
70/28 = 70 × 5/28 × 5 = 350/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
21/35 = 21 × 4/35 × 4 = 84/140 - Subtract the two like fractions:
350/140 - 84/140 = 350 - 84/140 = 266/140 - After reducing the fraction, the answer is 19/10
- In mixed form: 19/10
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