Add 36/10 and 18/21
1st number: 3 6/10, 2nd number: 18/21
36/10 + 18/21 is 156/35.
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,
18/21 = 18 × 10/21 × 10 = 180/210 - Add the two like fractions:
756/210 + 180/210 = 756 + 180/210 = 936/210 - 936/210 simplified gives 156/35
- So, 36/10 + 18/21 = 156/35
In mixed form: 416/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/10+18/21 36/10+36/21 36/20+18/21 36/10+18/42 36/10+54/21 36/30+18/21 36/10+18/63 36/10+90/21 36/50+18/21 36/70+18/21