Add 81/5 and 36/8
1st number: 16 1/5, 2nd number: 4 4/8
81/5 + 36/8 is 207/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
81/5 = 81 × 8/5 × 8 = 648/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
36/8 = 36 × 5/8 × 5 = 180/40 - Add the two like fractions:
648/40 + 180/40 = 648 + 180/40 = 828/40 - 828/40 simplified gives 207/10
- So, 81/5 + 36/8 = 207/10
In mixed form: 207/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/5+72/8 81/10+36/8 81/5+36/16 81/15+36/8 81/5+36/24 81/25+36/8 81/5+36/40 81/35+36/8 81/5+36/56