Add 10/70 and 50/75
10/70 + 50/75 is 17/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 75 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 70 × 15 = 1050,
10/70 = 10 × 15/70 × 15 = 150/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
50/75 = 50 × 14/75 × 14 = 700/1050 - Add the two like fractions:
150/1050 + 700/1050 = 150 + 700/1050 = 850/1050 - 850/1050 simplified gives 17/21
- So, 10/70 + 50/75 = 17/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/70+50/75 30/70+50/75 50/70+50/75