Add 7/60 and 81/84
7/60 + 81/84 is 227/210.
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,
7/60 = 7 × 7/60 × 7 = 49/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
81/84 = 81 × 5/84 × 5 = 405/420 - Add the two like fractions:
49/420 + 405/420 = 49 + 405/420 = 454/420 - 454/420 simplified gives 227/210
- So, 7/60 + 81/84 = 227/210
In mixed form: 117/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/60+81/84 21/60+81/84 35/60+81/84 49/60+81/84