Add 90/4 and 30/80
1st number: 22 2/4, 2nd number: 30/80
90/4 + 30/80 is 183/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
90/4 = 90 × 20/4 × 20 = 1800/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
30/80 = 30 × 1/80 × 1 = 30/80 - Add the two like fractions:
1800/80 + 30/80 = 1800 + 30/80 = 1830/80 - 1830/80 simplified gives 183/8
- So, 90/4 + 30/80 = 183/8
In mixed form: 227/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+60/80 90/8+30/80 90/4+90/80 90/12+30/80 90/20+30/80 90/28+30/80