Add 4/70 and 8/20
4/70 + 8/20 is 16/35.
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,
4/70 = 4 × 2/70 × 2 = 8/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
8/20 = 8 × 7/20 × 7 = 56/140 - Add the two like fractions:
8/140 + 56/140 = 8 + 56/140 = 64/140 - 64/140 simplified gives 16/35
- So, 4/70 + 8/20 = 16/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/70+8/20 4/70+16/20 4/70+8/40 12/70+8/20 4/70+24/20 4/70+8/60 20/70+8/20 4/70+40/20 28/70+8/20 4/70+56/20