Add 50/70 and 3/42
50/70 + 3/42 is 11/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
50/70 = 50 × 3/70 × 3 = 150/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
3/42 = 3 × 5/42 × 5 = 15/210 - Add the two like fractions:
150/210 + 15/210 = 150 + 15/210 = 165/210 - 165/210 simplified gives 11/14
- So, 50/70 + 3/42 = 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/70+6/42 50/70+3/84 50/70+9/42 50/70+15/42 50/70+21/42