Add 84/80 and 2/10
1st number: 1 4/80, 2nd number: 2/10
84/80 + 2/10 is 5/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 10 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 10 × 8 = 80,
2/10 = 2 × 8/10 × 8 = 16/80 - Add the two like fractions:
84/80 + 16/80 = 84 + 16/80 = 100/80 - 100/80 simplified gives 5/4
- So, 84/80 + 2/10 = 5/4
In mixed form: 11/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/80+4/10 84/80+2/20 84/80+6/10 84/80+2/30 84/80+2/50 84/80+14/10 84/80+2/70