Add 70/14 and 98/21
1st number: 5 0/14, 2nd number: 4 14/21
70/14 + 98/21 is 29/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
70/14 = 70 × 3/14 × 3 = 210/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
98/21 = 98 × 2/21 × 2 = 196/42 - Add the two like fractions:
210/42 + 196/42 = 210 + 196/42 = 406/42 - 406/42 simplified gives 29/3
- So, 70/14 + 98/21 = 29/3
In mixed form: 92/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28+98/21 70/14+98/42 70/42+98/21 70/14+98/63 70/98+98/21