Add 10/42 and 30/32
10/42 + 30/32 is 395/336.
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,
10/42 = 10 × 16/42 × 16 = 160/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
30/32 = 30 × 21/32 × 21 = 630/672 - Add the two like fractions:
160/672 + 630/672 = 160 + 630/672 = 790/672 - 790/672 simplified gives 395/336
- So, 10/42 + 30/32 = 395/336
In mixed form: 159/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/42+30/32 10/42+60/32 10/84+30/32 10/42+30/64 30/42+30/32 10/42+90/32 10/42+30/96 50/42+30/32 70/42+30/32