Add 18/70 and 90/10
1st number: 18/70, 2nd number: 9 0/10
18/70 + 90/10 is 324/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
18/70 = 18 × 1/70 × 1 = 18/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
90/10 = 90 × 7/10 × 7 = 630/70 - Add the two like fractions:
18/70 + 630/70 = 18 + 630/70 = 648/70 - 648/70 simplified gives 324/35
- So, 18/70 + 90/10 = 324/35
In mixed form: 99/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/70+90/10 18/70+90/20 54/70+90/10 18/70+90/30 90/70+90/10 18/70+90/50 18/70+90/70