Add 5/4 and 2/80
1st number: 1 1/4, 2nd number: 2/80
5/4 + 2/80 is 51/40.
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,
5/4 = 5 × 20/4 × 20 = 100/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
2/80 = 2 × 1/80 × 1 = 2/80 - Add the two like fractions:
100/80 + 2/80 = 100 + 2/80 = 102/80 - 102/80 simplified gives 51/40
- So, 5/4 + 2/80 = 51/40
In mixed form: 111/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/4+2/80 5/4+4/80 5/8+2/80 15/4+2/80 5/4+6/80 5/12+2/80 25/4+2/80 5/4+10/80 5/20+2/80 35/4+2/80 5/4+14/80 5/28+2/80