Subtract 20/28 from 70/9
1st number: 7 7/9, 2nd number: 20/28
70/9 - 20/28 is 445/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
70/9 = 70 × 28/9 × 28 = 1960/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
20/28 = 20 × 9/28 × 9 = 180/252 - Subtract the two like fractions:
1960/252 - 180/252 = 1960 - 180/252 = 1780/252 - After reducing the fraction, the answer is 445/63
- In mixed form: 74/63
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