Add 36/10 and 98/21
1st number: 3 6/10, 2nd number: 4 14/21
36/10 + 98/21 is 124/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
36/10 = 36 × 21/10 × 21 = 756/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
98/21 = 98 × 10/21 × 10 = 980/210 - Add the two like fractions:
756/210 + 980/210 = 756 + 980/210 = 1736/210 - 1736/210 simplified gives 124/15
- So, 36/10 + 98/21 = 124/15
In mixed form: 84/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/10+98/21 36/20+98/21 36/10+98/42 36/30+98/21 36/10+98/63 36/50+98/21 36/70+98/21