Add 28/42 and 25/32
28/42 + 25/32 is 139/96.
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,
28/42 = 28 × 16/42 × 16 = 448/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
25/32 = 25 × 21/32 × 21 = 525/672 - Add the two like fractions:
448/672 + 525/672 = 448 + 525/672 = 973/672 - 973/672 simplified gives 139/96
- So, 28/42 + 25/32 = 139/96
In mixed form: 143/96
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/42+25/32 28/42+50/32 28/84+25/32 28/42+25/64 84/42+25/32 28/42+75/32 28/42+25/96