Add 54/80 and 18/8
1st number: 54/80, 2nd number: 2 2/8
54/80 + 18/8 is 117/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 8 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
54/80 = 54 × 1/80 × 1 = 54/80 - Likewise, for the 2nd fraction, since 8 × 10 = 80,
18/8 = 18 × 10/8 × 10 = 180/80 - Add the two like fractions:
54/80 + 180/80 = 54 + 180/80 = 234/80 - 234/80 simplified gives 117/40
- So, 54/80 + 18/8 = 117/40
In mixed form: 237/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/80+36/8 54/80+18/16 54/80+54/8 54/80+18/24 54/80+90/8 54/80+18/40 54/80+18/56