Add 45/60 and 18/48
45/60 + 18/48 is 9/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
45/60 = 45 × 4/60 × 4 = 180/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
18/48 = 18 × 5/48 × 5 = 90/240 - Add the two like fractions:
180/240 + 90/240 = 180 + 90/240 = 270/240 - 270/240 simplified gives 9/8
- So, 45/60 + 18/48 = 9/8
In mixed form: 11/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+18/48 45/60+36/48 45/60+18/96 45/60+54/48 45/60+90/48