Add 8/70 and 28/20
1st number: 8/70, 2nd number: 1 8/20
8/70 + 28/20 is 53/35.
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,
8/70 = 8 × 2/70 × 2 = 16/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
28/20 = 28 × 7/20 × 7 = 196/140 - Add the two like fractions:
16/140 + 196/140 = 16 + 196/140 = 212/140 - 212/140 simplified gives 53/35
- So, 8/70 + 28/20 = 53/35
In mixed form: 118/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/70+28/20 8/70+56/20 8/70+28/40 24/70+28/20 8/70+84/20 8/70+28/60 40/70+28/20 56/70+28/20