Add 3/15 and 45/60
3/15 + 45/60 is 19/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
3/15 = 3 × 4/15 × 4 = 12/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
45/60 = 45 × 1/60 × 1 = 45/60 - Add the two like fractions:
12/60 + 45/60 = 12 + 45/60 = 57/60 - 57/60 simplified gives 19/20
- So, 3/15 + 45/60 = 19/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15+45/60 3/15+90/60 3/30+45/60 9/15+45/60 3/45+45/60 3/75+45/60 21/15+45/60