Add 25/21 and 30/32
1st number: 1 4/21, 2nd number: 30/32
25/21 + 30/32 is 715/336.
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,
25/21 = 25 × 32/21 × 32 = 800/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
30/32 = 30 × 21/32 × 21 = 630/672 - Add the two like fractions:
800/672 + 630/672 = 800 + 630/672 = 1430/672 - 1430/672 simplified gives 715/336
- So, 25/21 + 30/32 = 715/336
In mixed form: 243/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/21+30/32 25/21+60/32 25/42+30/32 25/21+30/64 75/21+30/32 25/21+90/32 25/63+30/32 25/21+30/96