Add 45/75 and 15/60
45/75 + 15/60 is 17/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 60 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
45/75 = 45 × 4/75 × 4 = 180/300 - Likewise, for the 2nd fraction, since 60 × 5 = 300,
15/60 = 15 × 5/60 × 5 = 75/300 - Add the two like fractions:
180/300 + 75/300 = 180 + 75/300 = 255/300 - 255/300 simplified gives 17/20
- So, 45/75 + 15/60 = 17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/75+15/60 45/75+30/60 45/75+45/60 45/75+75/60