Subtract 4/70 from 12/98
12/98 - 4/70 is 16/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
12/98 = 12 × 5/98 × 5 = 60/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
4/70 = 4 × 7/70 × 7 = 28/490 - Subtract the two like fractions:
60/490 - 28/490 = 60 - 28/490 = 32/490 - After reducing the fraction, the answer is 16/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/98-4/70 12/98-8/70 36/98-4/70 12/98-12/70 60/98-4/70 12/98-20/70 84/98-4/70 12/98-28/70