Add 18/35 and 8/20
18/35 + 8/20 is 32/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
18/35 = 18 × 4/35 × 4 = 72/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
8/20 = 8 × 7/20 × 7 = 56/140 - Add the two like fractions:
72/140 + 56/140 = 72 + 56/140 = 128/140 - 128/140 simplified gives 32/35
- So, 18/35 + 8/20 = 32/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/35+8/20 18/35+16/20 18/70+8/20 18/35+8/40 54/35+8/20 18/35+24/20 18/35+8/60 90/35+8/20 18/35+40/20 18/35+56/20