Add 81/10 and 50/80
1st number: 8 1/10, 2nd number: 50/80
81/10 + 50/80 is 349/40.
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,
50/80 = 50 × 1/80 × 1 = 50/80 - Add the two like fractions:
648/80 + 50/80 = 648 + 50/80 = 698/80 - 698/80 simplified gives 349/40
- So, 81/10 + 50/80 = 349/40
In mixed form: 829/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/20+50/80 81/30+50/80 81/50+50/80 81/70+50/80