Add 90/80 and 14/20
1st number: 1 10/80, 2nd number: 14/20
90/80 + 14/20 is 73/40.
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,
14/20 = 14 × 4/20 × 4 = 56/80 - Add the two like fractions:
90/80 + 56/80 = 90 + 56/80 = 146/80 - 146/80 simplified gives 73/40
- So, 90/80 + 14/20 = 73/40
In mixed form: 133/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/80+28/20 90/80+14/40 90/80+42/20 90/80+14/60 90/80+70/20 90/80+98/20