Add 80/7 and 9/60
1st number: 11 3/7, 2nd number: 9/60
80/7 + 9/60 is 1621/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 7 × 60 = 420,
80/7 = 80 × 60/7 × 60 = 4800/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
9/60 = 9 × 7/60 × 7 = 63/420 - Add the two like fractions:
4800/420 + 63/420 = 4800 + 63/420 = 4863/420 - 4863/420 simplified gives 1621/140
- So, 80/7 + 9/60 = 1621/140
In mixed form: 1181/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7+18/60 80/14+9/60 80/7+27/60 80/21+9/60 80/7+45/60 80/35+9/60 80/7+63/60 80/49+9/60