Add 63/42 and 45/32
1st number: 1 21/42, 2nd number: 1 13/32
63/42 + 45/32 is 93/32.
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,
63/42 = 63 × 16/42 × 16 = 1008/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
45/32 = 45 × 21/32 × 21 = 945/672 - Add the two like fractions:
1008/672 + 945/672 = 1008 + 945/672 = 1953/672 - 1953/672 simplified gives 93/32
- So, 63/42 + 45/32 = 93/32
In mixed form: 229/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/42+90/32 63/84+45/32 63/42+45/64 63/42+45/96