Add 27/21 and 30/32
1st number: 1 6/21, 2nd number: 30/32
27/21 + 30/32 is 249/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
27/21 = 27 × 32/21 × 32 = 864/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
30/32 = 30 × 21/32 × 21 = 630/672 - Add the two like fractions:
864/672 + 630/672 = 864 + 630/672 = 1494/672 - 1494/672 simplified gives 249/112
- So, 27/21 + 30/32 = 249/112
In mixed form: 225/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/21+30/32 27/21+60/32 27/42+30/32 27/21+30/64 81/21+30/32 27/21+90/32 27/63+30/32 27/21+30/96