Add 28/35 and 4/70
28/35 + 4/70 is 6/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
28/35 = 28 × 2/35 × 2 = 56/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
4/70 = 4 × 1/70 × 1 = 4/70 - Add the two like fractions:
56/70 + 4/70 = 56 + 4/70 = 60/70 - 60/70 simplified gives 6/7
- So, 28/35 + 4/70 = 6/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/35+4/70 28/35+8/70 28/70+4/70 84/35+4/70 28/35+12/70 28/35+20/70 28/35+28/70