Add 18/14 and 90/10
1st number: 1 4/14, 2nd number: 9 0/10
18/14 + 90/10 is 72/7.
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,
18/14 = 18 × 5/14 × 5 = 90/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
90/10 = 90 × 7/10 × 7 = 630/70 - Add the two like fractions:
90/70 + 630/70 = 90 + 630/70 = 720/70 - 720/70 simplified gives 72/7
- So, 18/14 + 90/10 = 72/7
In mixed form: 102/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/14+90/10 18/28+90/10 18/14+90/20 54/14+90/10 18/42+90/10 18/14+90/30 90/14+90/10 18/70+90/10 18/14+90/50 18/98+90/10 18/14+90/70