Add 30/21 and 30/32
1st number: 1 9/21, 2nd number: 30/32
30/21 + 30/32 is 265/112.
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,
30/21 = 30 × 32/21 × 32 = 960/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
30/32 = 30 × 21/32 × 21 = 630/672 - Add the two like fractions:
960/672 + 630/672 = 960 + 630/672 = 1590/672 - 1590/672 simplified gives 265/112
- So, 30/21 + 30/32 = 265/112
In mixed form: 241/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/21+30/32 30/21+60/32 30/42+30/32 30/21+30/64 90/21+30/32 30/21+90/32 30/63+30/32 30/21+30/96