Add 42/20 and 70/60
1st number: 2 2/20, 2nd number: 1 10/60
42/20 + 70/60 is 49/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
42/20 = 42 × 3/20 × 3 = 126/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
70/60 = 70 × 1/60 × 1 = 70/60 - Add the two like fractions:
126/60 + 70/60 = 126 + 70/60 = 196/60 - 196/60 simplified gives 49/15
- So, 42/20 + 70/60 = 49/15
In mixed form: 34/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+70/60 42/40+70/60 42/60+70/60