Add 4/42 and 28/32
4/42 + 28/32 is 163/168.
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,
4/42 = 4 × 16/42 × 16 = 64/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
28/32 = 28 × 21/32 × 21 = 588/672 - Add the two like fractions:
64/672 + 588/672 = 64 + 588/672 = 652/672 - 652/672 simplified gives 163/168
- So, 4/42 + 28/32 = 163/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/42+28/32 4/42+56/32 4/84+28/32 4/42+28/64 12/42+28/32 4/42+84/32 4/42+28/96 20/42+28/32 28/42+28/32