Add 7/70 and 18/8
1st number: 7/70, 2nd number: 2 2/8
7/70 + 18/8 is 47/20.
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,
7/70 = 7 × 4/70 × 4 = 28/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
18/8 = 18 × 35/8 × 35 = 630/280 - Add the two like fractions:
28/280 + 630/280 = 28 + 630/280 = 658/280 - 658/280 simplified gives 47/20
- So, 7/70 + 18/8 = 47/20
In mixed form: 27/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/70+18/8 7/70+36/8 7/70+18/16 21/70+18/8 7/70+54/8 7/70+18/24 35/70+18/8 7/70+90/8 7/70+18/40 49/70+18/8 7/70+18/56