Add 45/30 and 48/20
1st number: 1 15/30, 2nd number: 2 8/20
45/30 + 48/20 is 39/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
45/30 = 45 × 2/30 × 2 = 90/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
48/20 = 48 × 3/20 × 3 = 144/60 - Add the two like fractions:
90/60 + 144/60 = 90 + 144/60 = 234/60 - 234/60 simplified gives 39/10
- So, 45/30 + 48/20 = 39/10
In mixed form: 39/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+48/20 45/30+96/20 45/60+48/20 45/30+48/40 45/90+48/20 45/30+48/60