Add 7/84 and 12/60
7/84 + 12/60 is 17/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
7/84 = 7 × 5/84 × 5 = 35/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
12/60 = 12 × 7/60 × 7 = 84/420 - Add the two like fractions:
35/420 + 84/420 = 35 + 84/420 = 119/420 - 119/420 simplified gives 17/60
- So, 7/84 + 12/60 = 17/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/84+12/60 7/84+24/60 21/84+12/60 7/84+36/60 35/84+12/60 49/84+12/60 7/84+84/60