Add 84/80 and 8/5
1st number: 1 4/80, 2nd number: 1 3/5
84/80 + 8/5 is 53/20.
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,
84/80 = 84 × 1/80 × 1 = 84/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
8/5 = 8 × 16/5 × 16 = 128/80 - Add the two like fractions:
84/80 + 128/80 = 84 + 128/80 = 212/80 - 212/80 simplified gives 53/20
- So, 84/80 + 8/5 = 53/20
In mixed form: 213/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/80+16/5 84/80+8/10 84/80+24/5 84/80+8/15 84/80+40/5 84/80+8/25 84/80+56/5 84/80+8/35