Add 90/14 and 80/10
1st number: 6 6/14, 2nd number: 8 0/10
90/14 + 80/10 is 101/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
90/14 = 90 × 5/14 × 5 = 450/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
80/10 = 80 × 7/10 × 7 = 560/70 - Add the two like fractions:
450/70 + 560/70 = 450 + 560/70 = 1010/70 - 1010/70 simplified gives 101/7
- So, 90/14 + 80/10 = 101/7
In mixed form: 143/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+80/10 90/14+80/20 90/42+80/10 90/14+80/30 90/70+80/10 90/14+80/50 90/98+80/10 90/14+80/70