Add 21/10 and 54/6
1st number: 2 1/10, 2nd number: 9 0/6
21/10 + 54/6 is 111/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
21/10 = 21 × 3/10 × 3 = 63/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
54/6 = 54 × 5/6 × 5 = 270/30 - Add the two like fractions:
63/30 + 270/30 = 63 + 270/30 = 333/30 - 333/30 simplified gives 111/10
- So, 21/10 + 54/6 = 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: 42/10+54/6 21/20+54/6 21/10+54/12 63/10+54/6 21/30+54/6 21/10+54/18 21/50+54/6 21/10+54/30 21/70+54/6 21/10+54/42