Subtract 18/4 from 12/98
1st number: 12/98, 2nd number: 4 2/4
12/98 - 18/4 is -429/98.
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,
12/98 = 12 × 2/98 × 2 = 24/196 - Likewise, for the 2nd fraction, since 4 × 49 = 196,
18/4 = 18 × 49/4 × 49 = 882/196 - Subtract the two like fractions:
24/196 - 882/196 = 24 - 882/196 = -858/196 - After reducing the fraction, the answer is -429/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/98-18/4 12/98-36/4 12/98-18/8 36/98-18/4 12/98-54/4 12/98-18/12 60/98-18/4 12/98-90/4 12/98-18/20 84/98-18/4 12/98-18/28