Subtract 18/45 from 42/8
1st number: 5 2/8, 2nd number: 18/45
42/8 - 18/45 is 97/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
42/8 = 42 × 45/8 × 45 = 1890/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
18/45 = 18 × 8/45 × 8 = 144/360 - Subtract the two like fractions:
1890/360 - 144/360 = 1890 - 144/360 = 1746/360 - After reducing the fraction, the answer is 97/20
- In mixed form: 417/20
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