Subtract 30/75 from 70/28
1st number: 2 14/28, 2nd number: 30/75
70/28 - 30/75 is 21/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 28 × 75 = 2100,
70/28 = 70 × 75/28 × 75 = 5250/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
30/75 = 30 × 28/75 × 28 = 840/2100 - Subtract the two like fractions:
5250/2100 - 840/2100 = 5250 - 840/2100 = 4410/2100 - After reducing the fraction, the answer is 21/10
- In mixed form: 21/10
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