Add 45/5 and 21/10
1st number: 9 0/5, 2nd number: 2 1/10
45/5 + 21/10 is 111/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 5 × 2 = 10,
45/5 = 45 × 2/5 × 2 = 90/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
21/10 = 21 × 1/10 × 1 = 21/10 - Add the two like fractions:
90/10 + 21/10 = 90 + 21/10 = 111/10 - So, 45/5 + 21/10 = 111/10
In mixed form: 111/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5+21/10 45/5+42/10 45/10+21/10 45/5+21/20 45/5+63/10 45/15+21/10 45/5+21/30 45/25+21/10 45/5+21/50 45/35+21/10 45/5+21/70