Add 3/42 and 28/32
3/42 + 28/32 is 53/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 42 × 16 = 672,
3/42 = 3 × 16/42 × 16 = 48/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
28/32 = 28 × 21/32 × 21 = 588/672 - Add the two like fractions:
48/672 + 588/672 = 48 + 588/672 = 636/672 - 636/672 simplified gives 53/56
- So, 3/42 + 28/32 = 53/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/42+28/32 3/42+56/32 3/84+28/32 3/42+28/64 9/42+28/32 3/42+84/32 3/42+28/96 15/42+28/32 21/42+28/32