Subtract 12/70 from 16/98
16/98 - 12/70 is -2/245.
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,
16/98 = 16 × 5/98 × 5 = 80/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
12/70 = 12 × 7/70 × 7 = 84/490 - Subtract the two like fractions:
80/490 - 84/490 = 80 - 84/490 = -4/490 - After reducing the fraction, the answer is -2/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/98-12/70 16/98-24/70 48/98-12/70 16/98-36/70 80/98-12/70 16/98-60/70 16/98-84/70