Add 45/20 and 7/3
1st number: 2 5/20, 2nd number: 2 1/3
45/20 + 7/3 is 55/12.
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,
7/3 = 7 × 20/3 × 20 = 140/60 - Add the two like fractions:
135/60 + 140/60 = 135 + 140/60 = 275/60 - 275/60 simplified gives 55/12
- So, 45/20 + 7/3 = 55/12
In mixed form: 47/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+7/3 45/20+14/3 45/40+7/3 45/20+7/6 45/20+21/3 45/60+7/3 45/20+7/9 45/20+35/3 45/20+7/15 45/20+49/3 45/20+7/21