Subtract 12/98 from 27/20
1st number: 1 7/20, 2nd number: 12/98
27/20 - 12/98 is 1203/980.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 98 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
27/20 = 27 × 49/20 × 49 = 1323/980 - Likewise, for the 2nd fraction, since 98 × 10 = 980,
12/98 = 12 × 10/98 × 10 = 120/980 - Subtract the two like fractions:
1323/980 - 120/980 = 1323 - 120/980 = 1203/980 - In mixed form: 1223/980
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20-12/98 27/20-24/98 27/40-12/98 81/20-12/98 27/20-36/98 27/60-12/98 27/20-60/98 27/20-84/98