Add 98/21 and 8/70
1st number: 4 14/21, 2nd number: 8/70
98/21 + 8/70 is 502/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
98/21 = 98 × 10/21 × 10 = 980/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
8/70 = 8 × 3/70 × 3 = 24/210 - Add the two like fractions:
980/210 + 24/210 = 980 + 24/210 = 1004/210 - 1004/210 simplified gives 502/105
- So, 98/21 + 8/70 = 502/105
In mixed form: 482/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/21+16/70 98/42+8/70 98/21+24/70 98/63+8/70 98/21+40/70 98/21+56/70