Add 4/3 and 30/40
1st number: 1 1/3, 2nd number: 30/40
4/3 + 30/40 is 25/12.
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,
4/3 = 4 × 40/3 × 40 = 160/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
30/40 = 30 × 3/40 × 3 = 90/120 - Add the two like fractions:
160/120 + 90/120 = 160 + 90/120 = 250/120 - 250/120 simplified gives 25/12
- So, 4/3 + 30/40 = 25/12
In mixed form: 21/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/3+30/40 4/3+60/40 4/6+30/40 4/3+30/80 12/3+30/40 4/3+90/40 4/9+30/40 20/3+30/40 4/15+30/40 28/3+30/40 4/21+30/40