Add 21/20 and 48/10
1st number: 1 1/20, 2nd number: 4 8/10
21/20 + 48/10 is 117/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
21/20 = 21 × 1/20 × 1 = 21/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
48/10 = 48 × 2/10 × 2 = 96/20 - Add the two like fractions:
21/20 + 96/20 = 21 + 96/20 = 117/20 - So, 21/20 + 48/10 = 117/20
In mixed form: 517/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/20+48/10 21/20+96/10 21/40+48/10 21/20+48/20 63/20+48/10 21/60+48/10 21/20+48/30 21/20+48/50 21/20+48/70