Add 15/60 and 3/84
15/60 + 3/84 is 2/7.
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,
3/84 = 3 × 5/84 × 5 = 15/420 - Add the two like fractions:
105/420 + 15/420 = 105 + 15/420 = 120/420 - 120/420 simplified gives 2/7
- So, 15/60 + 3/84 = 2/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/60+3/84 15/60+6/84 45/60+3/84 15/60+9/84 75/60+3/84 15/60+15/84 15/60+21/84