Subtract 98/7 from 30/4
1st number: 7 2/4, 2nd number: 14 0/7
30/4 - 98/7 is -13/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
30/4 = 30 × 7/4 × 7 = 210/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
98/7 = 98 × 4/7 × 4 = 392/28 - Subtract the two like fractions:
210/28 - 392/28 = 210 - 392/28 = -182/28 - After reducing the fraction, the answer is -13/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4-98/7 30/8-98/7 30/4-98/14 90/4-98/7 30/12-98/7 30/4-98/21 30/20-98/7 30/4-98/35 30/28-98/7 30/4-98/49