Add 45/20 and 30/3
1st number: 2 5/20, 2nd number: 10 0/3
45/20 + 30/3 is 49/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
45/20 = 45 × 3/20 × 3 = 135/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
30/3 = 30 × 20/3 × 20 = 600/60 - Add the two like fractions:
135/60 + 600/60 = 135 + 600/60 = 735/60 - 735/60 simplified gives 49/4
- So, 45/20 + 30/3 = 49/4
In mixed form: 121/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+30/3 45/20+60/3 45/40+30/3 45/20+30/6 45/20+90/3 45/60+30/3 45/20+30/9 45/20+30/15 45/20+30/21