Add 81/10 and 10/80
1st number: 8 1/10, 2nd number: 10/80
81/10 + 10/80 is 329/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
81/10 = 81 × 8/10 × 8 = 648/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
10/80 = 10 × 1/80 × 1 = 10/80 - Add the two like fractions:
648/80 + 10/80 = 648 + 10/80 = 658/80 - 658/80 simplified gives 329/40
- So, 81/10 + 10/80 = 329/40
In mixed form: 89/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/10+20/80 81/20+10/80 81/10+30/80 81/30+10/80 81/10+50/80 81/50+10/80 81/10+70/80 81/70+10/80