Add 42/8 and 28/4
1st number: 5 2/8, 2nd number: 7 0/4
42/8 + 28/4 is 49/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 4 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 8 × 1 = 8,
42/8 = 42 × 1/8 × 1 = 42/8 - Likewise, for the 2nd fraction, since 4 × 2 = 8,
28/4 = 28 × 2/4 × 2 = 56/8 - Add the two like fractions:
42/8 + 56/8 = 42 + 56/8 = 98/8 - 98/8 simplified gives 49/4
- So, 42/8 + 28/4 = 49/4
In mixed form: 121/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/8+28/4 42/8+56/4 42/16+28/4 42/8+28/8 42/8+84/4 42/24+28/4 42/8+28/12 42/40+28/4 42/8+28/20 42/56+28/4