Add 90/14 and 7/80
1st number: 6 6/14, 2nd number: 7/80
90/14 + 7/80 is 3649/560.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 14 × 40 = 560,
90/14 = 90 × 40/14 × 40 = 3600/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
7/80 = 7 × 7/80 × 7 = 49/560 - Add the two like fractions:
3600/560 + 49/560 = 3600 + 49/560 = 3649/560 - So, 90/14 + 7/80 = 3649/560
In mixed form: 6289/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14+14/80 90/28+7/80 90/14+21/80 90/42+7/80 90/14+35/80 90/70+7/80 90/14+49/80 90/98+7/80