Add 30/45 and 18/60
30/45 + 18/60 is 29/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
30/45 = 30 × 4/45 × 4 = 120/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
18/60 = 18 × 3/60 × 3 = 54/180 - Add the two like fractions:
120/180 + 54/180 = 120 + 54/180 = 174/180 - 174/180 simplified gives 29/30
- So, 30/45 + 18/60 = 29/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/45+18/60 30/45+36/60 30/90+18/60 90/45+18/60 30/45+54/60 30/45+90/60