Add 3/75 and 20/70
3/75 + 20/70 is 57/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 70 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
3/75 = 3 × 14/75 × 14 = 42/1050 - Likewise, for the 2nd fraction, since 70 × 15 = 1050,
20/70 = 20 × 15/70 × 15 = 300/1050 - Add the two like fractions:
42/1050 + 300/1050 = 42 + 300/1050 = 342/1050 - 342/1050 simplified gives 57/175
- So, 3/75 + 20/70 = 57/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/75+20/70 3/75+40/70 9/75+20/70 3/75+60/70 15/75+20/70 21/75+20/70