Add 9/80 and 90/4
1st number: 9/80, 2nd number: 22 2/4
9/80 + 90/4 is 1809/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 4 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
9/80 = 9 × 1/80 × 1 = 9/80 - Likewise, for the 2nd fraction, since 4 × 20 = 80,
90/4 = 90 × 20/4 × 20 = 1800/80 - Add the two like fractions:
9/80 + 1800/80 = 9 + 1800/80 = 1809/80 - So, 9/80 + 90/4 = 1809/80
In mixed form: 2249/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/80+90/4 9/80+90/8 27/80+90/4 9/80+90/12 45/80+90/4 9/80+90/20 63/80+90/4 9/80+90/28