Subtract 98/8 from 3/10
1st number: 3/10, 2nd number: 12 2/8
3/10 - 98/8 is -239/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
3/10 = 3 × 4/10 × 4 = 12/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
98/8 = 98 × 5/8 × 5 = 490/40 - Subtract the two like fractions:
12/40 - 490/40 = 12 - 490/40 = -478/40 - After reducing the fraction, the answer is -239/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/10-98/8 3/20-98/8 3/10-98/16 9/10-98/8 3/30-98/8 3/10-98/24 15/10-98/8 3/50-98/8 3/10-98/40 21/10-98/8 3/70-98/8 3/10-98/56