Add 81/3 and 2/40
1st number: 27 0/3, 2nd number: 2/40
81/3 + 2/40 is 541/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
81/3 = 81 × 40/3 × 40 = 3240/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
2/40 = 2 × 3/40 × 3 = 6/120 - Add the two like fractions:
3240/120 + 6/120 = 3240 + 6/120 = 3246/120 - 3246/120 simplified gives 541/20
- So, 81/3 + 2/40 = 541/20
In mixed form: 271/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/3+4/40 81/6+2/40 81/3+2/80 81/3+6/40 81/9+2/40 81/3+10/40 81/15+2/40 81/3+14/40 81/21+2/40