Add 84/80 and 20/10
1st number: 1 4/80, 2nd number: 2 0/10
84/80 + 20/10 is 61/20.
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,
20/10 = 20 × 8/10 × 8 = 160/80 - Add the two like fractions:
84/80 + 160/80 = 84 + 160/80 = 244/80 - 244/80 simplified gives 61/20
- So, 84/80 + 20/10 = 61/20
In mixed form: 31/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/80+40/10 84/80+60/10 84/80+20/30 84/80+20/50 84/80+20/70