Add 32/42 and 49/90
32/42 + 49/90 is 823/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 42 × 15 = 630,
32/42 = 32 × 15/42 × 15 = 480/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
49/90 = 49 × 7/90 × 7 = 343/630 - Add the two like fractions:
480/630 + 343/630 = 480 + 343/630 = 823/630 - So, 32/42 + 49/90 = 823/630
In mixed form: 1193/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/42+49/90 32/42+98/90 32/84+49/90 96/42+49/90