Subtract 30/4 from 98/20
1st number: 4 18/20, 2nd number: 7 2/4
98/20 - 30/4 is -13/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
98/20 = 98 × 1/20 × 1 = 98/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
30/4 = 30 × 5/4 × 5 = 150/20 - Subtract the two like fractions:
98/20 - 150/20 = 98 - 150/20 = -52/20 - After reducing the fraction, the answer is -13/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20-60/4 98/40-30/4 98/20-30/8 98/20-90/4 98/60-30/4 98/20-30/12 98/20-30/20 98/20-30/28