Add 70/50 and 42/60
1st number: 1 20/50, 2nd number: 42/60
70/50 + 42/60 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 60 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 50 × 6 = 300,
70/50 = 70 × 6/50 × 6 = 420/300 - Likewise, for the 2nd fraction, since 60 × 5 = 300,
42/60 = 42 × 5/60 × 5 = 210/300 - Add the two like fractions:
420/300 + 210/300 = 420 + 210/300 = 630/300 - 630/300 simplified gives 21/10
- So, 70/50 + 42/60 = 21/10
In mixed form: 21/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/50+84/60