Add 15/60 and 45/84
15/60 + 45/84 is 11/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
15/60 = 15 × 7/60 × 7 = 105/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
45/84 = 45 × 5/84 × 5 = 225/420 - Add the two like fractions:
105/420 + 225/420 = 105 + 225/420 = 330/420 - 330/420 simplified gives 11/14
- So, 15/60 + 45/84 = 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/60+45/84 15/60+90/84 45/60+45/84 75/60+45/84