Add 80/42 and 72/50
1st number: 1 38/42, 2nd number: 1 22/50
80/42 + 72/50 is 1756/525.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
80/42 = 80 × 25/42 × 25 = 2000/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
72/50 = 72 × 21/50 × 21 = 1512/1050 - Add the two like fractions:
2000/1050 + 1512/1050 = 2000 + 1512/1050 = 3512/1050 - 3512/1050 simplified gives 1756/525
- So, 80/42 + 72/50 = 1756/525
In mixed form: 3181/525
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/84+72/50