Subtract 42/90 from 54/35
1st number: 1 19/35, 2nd number: 42/90
54/35 - 42/90 is 113/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
54/35 = 54 × 18/35 × 18 = 972/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
42/90 = 42 × 7/90 × 7 = 294/630 - Subtract the two like fractions:
972/630 - 294/630 = 972 - 294/630 = 678/630 - After reducing the fraction, the answer is 113/105
- In mixed form: 18/105
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