Add 18/8 and 70/35
1st number: 2 2/8, 2nd number: 2 0/35
18/8 + 70/35 is 17/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
18/8 = 18 × 35/8 × 35 = 630/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
70/35 = 70 × 8/35 × 8 = 560/280 - Add the two like fractions:
630/280 + 560/280 = 630 + 560/280 = 1190/280 - 1190/280 simplified gives 17/4
- So, 18/8 + 70/35 = 17/4
In mixed form: 41/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8+70/35 18/16+70/35 54/8+70/35 18/24+70/35 90/8+70/35 18/40+70/35 18/56+70/35