Add 21/5 and 10/36
1st number: 4 1/5, 2nd number: 10/36
21/5 + 10/36 is 403/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 5 × 36 = 180,
21/5 = 21 × 36/5 × 36 = 756/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
10/36 = 10 × 5/36 × 5 = 50/180 - Add the two like fractions:
756/180 + 50/180 = 756 + 50/180 = 806/180 - 806/180 simplified gives 403/90
- So, 21/5 + 10/36 = 403/90
In mixed form: 443/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/5+10/36 21/5+20/36 21/10+10/36 21/5+10/72 63/5+10/36 21/5+30/36 21/15+10/36 21/5+50/36 21/25+10/36 21/5+70/36 21/35+10/36