Add 45/20 and 5/30
1st number: 2 5/20, 2nd number: 5/30
45/20 + 5/30 is 29/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 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 30 × 2 = 60,
5/30 = 5 × 2/30 × 2 = 10/60 - Add the two like fractions:
135/60 + 10/60 = 135 + 10/60 = 145/60 - 145/60 simplified gives 29/12
- So, 45/20 + 5/30 = 29/12
In mixed form: 25/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+5/30 45/20+10/30 45/40+5/30 45/20+5/60 45/20+15/30 45/60+5/30 45/20+5/90 45/20+25/30 45/20+35/30