Add 1/40 and 16/3
1st number: 1/40, 2nd number: 5 1/3
1/40 + 16/3 is 643/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 3 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
1/40 = 1 × 3/40 × 3 = 3/120 - Likewise, for the 2nd fraction, since 3 × 40 = 120,
16/3 = 16 × 40/3 × 40 = 640/120 - Add the two like fractions:
3/120 + 640/120 = 3 + 640/120 = 643/120 - So, 1/40 + 16/3 = 643/120
In mixed form: 543/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/40+16/3 1/40+32/3 1/80+16/3 1/40+16/6 3/40+16/3 1/40+48/3 1/40+16/9 5/40+16/3 1/40+80/3 1/40+16/15 7/40+16/3 1/40+16/21