Add 98/80 and 8/5
1st number: 1 18/80, 2nd number: 1 3/5
98/80 + 8/5 is 113/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 5 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
98/80 = 98 × 1/80 × 1 = 98/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
8/5 = 8 × 16/5 × 16 = 128/80 - Add the two like fractions:
98/80 + 128/80 = 98 + 128/80 = 226/80 - 226/80 simplified gives 113/40
- So, 98/80 + 8/5 = 113/40
In mixed form: 233/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/80+16/5 98/80+8/10 98/80+24/5 98/80+8/15 98/80+40/5 98/80+8/25 98/80+56/5 98/80+8/35