Add 80/7 and 12/60
1st number: 11 3/7, 2nd number: 12/60
80/7 + 12/60 is 407/35.
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,
12/60 = 12 × 7/60 × 7 = 84/420 - Add the two like fractions:
4800/420 + 84/420 = 4800 + 84/420 = 4884/420 - 4884/420 simplified gives 407/35
- So, 80/7 + 12/60 = 407/35
In mixed form: 1122/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7+24/60 80/14+12/60 80/7+36/60 80/21+12/60 80/35+12/60 80/7+84/60 80/49+12/60