Add 36/18 and 2/21
1st number: 2 0/18, 2nd number: 2/21
36/18 + 2/21 is 44/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 21 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
36/18 = 36 × 7/18 × 7 = 252/126 - Likewise, for the 2nd fraction, since 21 × 6 = 126,
2/21 = 2 × 6/21 × 6 = 12/126 - Add the two like fractions:
252/126 + 12/126 = 252 + 12/126 = 264/126 - 264/126 simplified gives 44/21
- So, 36/18 + 2/21 = 44/21
In mixed form: 22/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/18+2/21 36/18+4/21 36/18+2/42 36/18+6/21 36/54+2/21 36/18+2/63 36/18+10/21 36/90+2/21 36/18+14/21