Add 10/70 and 8/20
10/70 + 8/20 is 19/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
10/70 = 10 × 2/70 × 2 = 20/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
8/20 = 8 × 7/20 × 7 = 56/140 - Add the two like fractions:
20/140 + 56/140 = 20 + 56/140 = 76/140 - 76/140 simplified gives 19/35
- So, 10/70 + 8/20 = 19/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/70+8/20 10/70+16/20 10/70+8/40 30/70+8/20 10/70+24/20 10/70+8/60 50/70+8/20 10/70+40/20 10/70+56/20