Add 42/36 and 70/50
1st number: 1 6/36, 2nd number: 1 20/50
42/36 + 70/50 is 77/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 50 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 36 × 25 = 900,
42/36 = 42 × 25/36 × 25 = 1050/900 - Likewise, for the 2nd fraction, since 50 × 18 = 900,
70/50 = 70 × 18/50 × 18 = 1260/900 - Add the two like fractions:
1050/900 + 1260/900 = 1050 + 1260/900 = 2310/900 - 2310/900 simplified gives 77/30
- So, 42/36 + 70/50 = 77/30
In mixed form: 217/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/36+70/50 42/72+70/50