Add 28/42 and 16/5
1st number: 28/42, 2nd number: 3 1/5
28/42 + 16/5 is 58/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
28/42 = 28 × 5/42 × 5 = 140/210 - Likewise, for the 2nd fraction, since 5 × 42 = 210,
16/5 = 16 × 42/5 × 42 = 672/210 - Add the two like fractions:
140/210 + 672/210 = 140 + 672/210 = 812/210 - 812/210 simplified gives 58/15
- So, 28/42 + 16/5 = 58/15
In mixed form: 313/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/42+16/5 28/42+32/5 28/84+16/5 28/42+16/10 84/42+16/5 28/42+48/5 28/42+16/15 28/42+80/5 28/42+16/25 28/42+16/35