Add 81/5 and 14/40
1st number: 16 1/5, 2nd number: 14/40
81/5 + 14/40 is 331/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 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 40 × 1 = 40,
14/40 = 14 × 1/40 × 1 = 14/40 - Add the two like fractions:
648/40 + 14/40 = 648 + 14/40 = 662/40 - 662/40 simplified gives 331/20
- So, 81/5 + 14/40 = 331/20
In mixed form: 1611/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/5+28/40 81/10+14/40 81/5+14/80 81/5+42/40 81/15+14/40 81/5+70/40 81/25+14/40 81/5+98/40 81/35+14/40