Subtract 8/42 from 45/35
1st number: 1 10/35, 2nd number: 8/42
45/35 - 8/42 is 23/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
45/35 = 45 × 6/35 × 6 = 270/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
8/42 = 8 × 5/42 × 5 = 40/210 - Subtract the two like fractions:
270/210 - 40/210 = 270 - 40/210 = 230/210 - After reducing the fraction, the answer is 23/21
- In mixed form: 12/21
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