Add 9/7 and 12/80
1st number: 1 2/7, 2nd number: 12/80
9/7 + 12/80 is 201/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 7 × 80 = 560,
9/7 = 9 × 80/7 × 80 = 720/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
12/80 = 12 × 7/80 × 7 = 84/560 - Add the two like fractions:
720/560 + 84/560 = 720 + 84/560 = 804/560 - 804/560 simplified gives 201/140
- So, 9/7 + 12/80 = 201/140
In mixed form: 161/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/7+12/80 9/7+24/80 9/14+12/80 27/7+12/80 9/7+36/80 9/21+12/80 45/7+12/80 9/7+60/80 9/35+12/80 63/7+12/80 9/7+84/80 9/49+12/80