Subtract 15/5 from 84/98
1st number: 84/98, 2nd number: 3 0/5
84/98 - 15/5 is -15/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 5 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
84/98 = 84 × 5/98 × 5 = 420/490 - Likewise, for the 2nd fraction, since 5 × 98 = 490,
15/5 = 15 × 98/5 × 98 = 1470/490 - Subtract the two like fractions:
420/490 - 1470/490 = 420 - 1470/490 = -1050/490 - After reducing the fraction, the answer is -15/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/98-30/5 84/98-15/10 84/98-45/5 84/98-75/5 84/98-15/25 84/98-15/35