Subtract 42/3 from 1/90
1st number: 1/90, 2nd number: 14 0/3
1/90 - 42/3 is -1259/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 3 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
1/90 = 1 × 1/90 × 1 = 1/90 - Likewise, for the 2nd fraction, since 3 × 30 = 90,
42/3 = 42 × 30/3 × 30 = 1260/90 - Subtract the two like fractions:
1/90 - 1260/90 = 1 - 1260/90 = -1259/90
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