Subtract 98/3 from 42/20
1st number: 2 2/20, 2nd number: 32 2/3
42/20 - 98/3 is -917/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
42/20 = 42 × 3/20 × 3 = 126/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
98/3 = 98 × 20/3 × 20 = 1960/60 - Subtract the two like fractions:
126/60 - 1960/60 = 126 - 1960/60 = -1834/60 - After reducing the fraction, the answer is -917/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20-98/3 42/40-98/3 42/20-98/6 42/60-98/3 42/20-98/9 42/20-98/15 42/20-98/21