Add 49/21 and 90/32
1st number: 2 7/21, 2nd number: 2 26/32
49/21 + 90/32 is 247/48.
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,
49/21 = 49 × 32/21 × 32 = 1568/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
90/32 = 90 × 21/32 × 21 = 1890/672 - Add the two like fractions:
1568/672 + 1890/672 = 1568 + 1890/672 = 3458/672 - 3458/672 simplified gives 247/48
- So, 49/21 + 90/32 = 247/48
In mixed form: 57/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/21+90/32 49/42+90/32 49/21+90/64 49/63+90/32 49/21+90/96