Add 72/49 and 50/90
1st number: 1 23/49, 2nd number: 50/90
72/49 + 50/90 is 893/441.
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,
50/90 = 50 × 49/90 × 49 = 2450/4410 - Add the two like fractions:
6480/4410 + 2450/4410 = 6480 + 2450/4410 = 8930/4410 - 8930/4410 simplified gives 893/441
- So, 72/49 + 50/90 = 893/441
In mixed form: 211/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/98+50/90