Add 36/5 and 81/8
1st number: 7 1/5, 2nd number: 10 1/8
36/5 + 81/8 is 693/40.
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,
36/5 = 36 × 8/5 × 8 = 288/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
81/8 = 81 × 5/8 × 5 = 405/40 - Add the two like fractions:
288/40 + 405/40 = 288 + 405/40 = 693/40 - So, 36/5 + 81/8 = 693/40
In mixed form: 1713/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/5+81/8 36/10+81/8 36/5+81/16 36/15+81/8 36/5+81/24 36/25+81/8 36/5+81/40 36/35+81/8 36/5+81/56