Add 42/70 and 9/50
42/70 + 9/50 is 39/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 70 × 5 = 350,
42/70 = 42 × 5/70 × 5 = 210/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
9/50 = 9 × 7/50 × 7 = 63/350 - Add the two like fractions:
210/350 + 63/350 = 210 + 63/350 = 273/350 - 273/350 simplified gives 39/50
- So, 42/70 + 9/50 = 39/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+9/50 42/70+18/50 42/70+27/50 42/70+45/50 42/70+63/50