Add 28/32 and 42/54
28/32 + 42/54 is 119/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 54 is 864
Next, find the equivalent fraction of both fractional numbers with denominator 864 - For the 1st fraction, since 32 × 27 = 864,
28/32 = 28 × 27/32 × 27 = 756/864 - Likewise, for the 2nd fraction, since 54 × 16 = 864,
42/54 = 42 × 16/54 × 16 = 672/864 - Add the two like fractions:
756/864 + 672/864 = 756 + 672/864 = 1428/864 - 1428/864 simplified gives 119/72
- So, 28/32 + 42/54 = 119/72
In mixed form: 147/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/32+42/54 28/32+84/54 28/64+42/54 84/32+42/54 28/96+42/54