Add 30/4 and 2/80
1st number: 7 2/4, 2nd number: 2/80
30/4 + 2/80 is 301/40.
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,
30/4 = 30 × 20/4 × 20 = 600/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
2/80 = 2 × 1/80 × 1 = 2/80 - Add the two like fractions:
600/80 + 2/80 = 600 + 2/80 = 602/80 - 602/80 simplified gives 301/40
- So, 30/4 + 2/80 = 301/40
In mixed form: 721/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4+2/80 30/4+4/80 30/8+2/80 90/4+2/80 30/4+6/80 30/12+2/80 30/4+10/80 30/20+2/80 30/4+14/80 30/28+2/80