Add 81/30 and 54/6
1st number: 2 21/30, 2nd number: 9 0/6
81/30 + 54/6 is 117/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
81/30 = 81 × 1/30 × 1 = 81/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
54/6 = 54 × 5/6 × 5 = 270/30 - Add the two like fractions:
81/30 + 270/30 = 81 + 270/30 = 351/30 - 351/30 simplified gives 117/10
- So, 81/30 + 54/6 = 117/10
In mixed form: 117/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/60+54/6 81/30+54/12 81/90+54/6 81/30+54/18 81/30+54/30 81/30+54/42