Add 4/5 and 98/80
1st number: 4/5, 2nd number: 1 18/80
4/5 + 98/80 is 81/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
4/5 = 4 × 16/5 × 16 = 64/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
98/80 = 98 × 1/80 × 1 = 98/80 - Add the two like fractions:
64/80 + 98/80 = 64 + 98/80 = 162/80 - 162/80 simplified gives 81/40
- So, 4/5 + 98/80 = 81/40
In mixed form: 21/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/5+98/80 4/10+98/80 12/5+98/80 4/15+98/80 20/5+98/80 4/25+98/80 28/5+98/80 4/35+98/80