Add 18/60 and 1/45
18/60 + 1/45 is 29/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
18/60 = 18 × 3/60 × 3 = 54/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
1/45 = 1 × 4/45 × 4 = 4/180 - Add the two like fractions:
54/180 + 4/180 = 54 + 4/180 = 58/180 - 58/180 simplified gives 29/90
- So, 18/60 + 1/45 = 29/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/60+1/45 18/60+2/45 18/60+1/90 54/60+1/45 18/60+3/45 90/60+1/45 18/60+5/45 18/60+7/45