Add 42/15 and 35/75
1st number: 2 12/15, 2nd number: 35/75
42/15 + 35/75 is 49/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 75 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 15 × 5 = 75,
42/15 = 42 × 5/15 × 5 = 210/75 - Likewise, for the 2nd fraction, since 75 × 1 = 75,
35/75 = 35 × 1/75 × 1 = 35/75 - Add the two like fractions:
210/75 + 35/75 = 210 + 35/75 = 245/75 - 245/75 simplified gives 49/15
- So, 42/15 + 35/75 = 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: 84/15+35/75 42/15+70/75 42/30+35/75 42/45+35/75 42/75+35/75