Subtract 72/4 from 40/98
1st number: 40/98, 2nd number: 18 0/4
40/98 - 72/4 is -862/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 4 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 98 × 2 = 196,
40/98 = 40 × 2/98 × 2 = 80/196 - Likewise, for the 2nd fraction, since 4 × 49 = 196,
72/4 = 72 × 49/4 × 49 = 3528/196 - Subtract the two like fractions:
80/196 - 3528/196 = 80 - 3528/196 = -3448/196 - After reducing the fraction, the answer is -862/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/98-72/4 40/98-72/8 40/98-72/12 40/98-72/20 40/98-72/28