Add 9/70 and 18/8
1st number: 9/70, 2nd number: 2 2/8
9/70 + 18/8 is 333/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
9/70 = 9 × 4/70 × 4 = 36/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
18/8 = 18 × 35/8 × 35 = 630/280 - Add the two like fractions:
36/280 + 630/280 = 36 + 630/280 = 666/280 - 666/280 simplified gives 333/140
- So, 9/70 + 18/8 = 333/140
In mixed form: 253/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/70+18/8 9/70+36/8 9/70+18/16 27/70+18/8 9/70+54/8 9/70+18/24 45/70+18/8 9/70+90/8 9/70+18/40 63/70+18/8 9/70+18/56