Add 18/4 and 7/80
1st number: 4 2/4, 2nd number: 7/80
18/4 + 7/80 is 367/80.
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,
18/4 = 18 × 20/4 × 20 = 360/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
7/80 = 7 × 1/80 × 1 = 7/80 - Add the two like fractions:
360/80 + 7/80 = 360 + 7/80 = 367/80 - So, 18/4 + 7/80 = 367/80
In mixed form: 447/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/4+7/80 18/4+14/80 18/8+7/80 54/4+7/80 18/4+21/80 18/12+7/80 90/4+7/80 18/4+35/80 18/20+7/80 18/4+49/80 18/28+7/80