Subtract 8/28 from 42/9
1st number: 4 6/9, 2nd number: 8/28
42/9 - 8/28 is 92/21.
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,
42/9 = 42 × 28/9 × 28 = 1176/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
8/28 = 8 × 9/28 × 9 = 72/252 - Subtract the two like fractions:
1176/252 - 72/252 = 1176 - 72/252 = 1104/252 - After reducing the fraction, the answer is 92/21
- In mixed form: 48/21
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