Add 72/49 and 32/90
1st number: 1 23/49, 2nd number: 32/90
72/49 + 32/90 is 4024/2205.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 49 × 90 = 4410,
72/49 = 72 × 90/49 × 90 = 6480/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
32/90 = 32 × 49/90 × 49 = 1568/4410 - Add the two like fractions:
6480/4410 + 1568/4410 = 6480 + 1568/4410 = 8048/4410 - 8048/4410 simplified gives 4024/2205
- So, 72/49 + 32/90 = 4024/2205
In mixed form: 11819/2205
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/49+64/90 72/98+32/90 72/49+96/90