Add 1/7 and 84/80
1st number: 1/7, 2nd number: 1 4/80
1/7 + 84/80 is 167/140.
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,
1/7 = 1 × 80/7 × 80 = 80/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
84/80 = 84 × 7/80 × 7 = 588/560 - Add the two like fractions:
80/560 + 588/560 = 80 + 588/560 = 668/560 - 668/560 simplified gives 167/140
- So, 1/7 + 84/80 = 167/140
In mixed form: 127/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/7+84/80 1/14+84/80 3/7+84/80 1/21+84/80 5/7+84/80 1/35+84/80 1/49+84/80