Add 18/8 and 20/35
1st number: 2 2/8, 2nd number: 20/35
18/8 + 20/35 is 79/28.
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,
20/35 = 20 × 8/35 × 8 = 160/280 - Add the two like fractions:
630/280 + 160/280 = 630 + 160/280 = 790/280 - 790/280 simplified gives 79/28
- So, 18/8 + 20/35 = 79/28
In mixed form: 223/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8+20/35 18/8+40/35 18/16+20/35 18/8+20/70 54/8+20/35 18/8+60/35 18/24+20/35 90/8+20/35 18/40+20/35 18/56+20/35