Add 81/10 and 4/8
1st number: 8 1/10, 2nd number: 4/8
81/10 + 4/8 is 43/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
81/10 = 81 × 4/10 × 4 = 324/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
4/8 = 4 × 5/8 × 5 = 20/40 - Add the two like fractions:
324/40 + 20/40 = 324 + 20/40 = 344/40 - 344/40 simplified gives 43/5
- So, 81/10 + 4/8 = 43/5
In mixed form: 83/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/20+4/8 81/10+4/16 81/10+12/8 81/30+4/8 81/10+4/24 81/10+20/8 81/50+4/8 81/10+4/40 81/10+28/8 81/70+4/8 81/10+4/56