Add 12/70 and 9/98
12/70 + 9/98 is 129/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
12/70 = 12 × 7/70 × 7 = 84/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
9/98 = 9 × 5/98 × 5 = 45/490 - Add the two like fractions:
84/490 + 45/490 = 84 + 45/490 = 129/490 - So, 12/70 + 9/98 = 129/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/70+9/98 12/70+18/98 36/70+9/98 12/70+27/98 60/70+9/98 12/70+45/98 84/70+9/98 12/70+63/98