Add 90/49 and 80/90
1st number: 1 41/49, 2nd number: 80/90
90/49 + 80/90 is 1202/441.
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,
90/49 = 90 × 90/49 × 90 = 8100/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
80/90 = 80 × 49/90 × 49 = 3920/4410 - Add the two like fractions:
8100/4410 + 3920/4410 = 8100 + 3920/4410 = 12020/4410 - 12020/4410 simplified gives 1202/441
- So, 90/49 + 80/90 = 1202/441
In mixed form: 2320/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/98+80/90