Add 45/60 and 90/3
1st number: 45/60, 2nd number: 30 0/3
45/60 + 90/3 is 123/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
45/60 = 45 × 1/60 × 1 = 45/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
90/3 = 90 × 20/3 × 20 = 1800/60 - Add the two like fractions:
45/60 + 1800/60 = 45 + 1800/60 = 1845/60 - 1845/60 simplified gives 123/4
- So, 45/60 + 90/3 = 123/4
In mixed form: 303/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+90/3 45/60+90/6 45/60+90/9 45/60+90/15 45/60+90/21