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