Add 75/50 and 70/42
1st number: 1 25/50, 2nd number: 1 28/42
75/50 + 70/42 is 19/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
75/50 = 75 × 21/50 × 21 = 1575/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
70/42 = 70 × 25/42 × 25 = 1750/1050 - Add the two like fractions:
1575/1050 + 1750/1050 = 1575 + 1750/1050 = 3325/1050 - 3325/1050 simplified gives 19/6
- So, 75/50 + 70/42 = 19/6
In mixed form: 31/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/50+70/84