Subtract 28/30 from 70/28
1st number: 2 14/28, 2nd number: 28/30
70/28 - 28/30 is 47/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
70/28 = 70 × 15/28 × 15 = 1050/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
28/30 = 28 × 14/30 × 14 = 392/420 - Subtract the two like fractions:
1050/420 - 392/420 = 1050 - 392/420 = 658/420 - After reducing the fraction, the answer is 47/30
- In mixed form: 117/30
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