Add 4/20 and 32/70
4/20 + 32/70 is 23/35.
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,
4/20 = 4 × 7/20 × 7 = 28/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
32/70 = 32 × 2/70 × 2 = 64/140 - Add the two like fractions:
28/140 + 64/140 = 28 + 64/140 = 92/140 - 92/140 simplified gives 23/35
- So, 4/20 + 32/70 = 23/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/20+32/70 4/20+64/70 4/40+32/70 12/20+32/70 4/20+96/70 4/60+32/70 28/20+32/70