Add 36/42 and 28/10
1st number: 36/42, 2nd number: 2 8/10
36/42 + 28/10 is 128/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
36/42 = 36 × 5/42 × 5 = 180/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
28/10 = 28 × 21/10 × 21 = 588/210 - Add the two like fractions:
180/210 + 588/210 = 180 + 588/210 = 768/210 - 768/210 simplified gives 128/35
- So, 36/42 + 28/10 = 128/35
In mixed form: 323/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/42+28/10 36/42+56/10 36/84+28/10 36/42+28/20 36/42+84/10 36/42+28/30 36/42+28/50 36/42+28/70