Add 90/80 and 54/20
1st number: 1 10/80, 2nd number: 2 14/20
90/80 + 54/20 is 153/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
90/80 = 90 × 1/80 × 1 = 90/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
54/20 = 54 × 4/20 × 4 = 216/80 - Add the two like fractions:
90/80 + 216/80 = 90 + 216/80 = 306/80 - 306/80 simplified gives 153/40
- So, 90/80 + 54/20 = 153/40
In mixed form: 333/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/80+54/40 90/80+54/60