Add 90/49 and 30/80
1st number: 1 41/49, 2nd number: 30/80
90/49 + 30/80 is 867/392.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 80 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 49 × 80 = 3920,
90/49 = 90 × 80/49 × 80 = 7200/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
30/80 = 30 × 49/80 × 49 = 1470/3920 - Add the two like fractions:
7200/3920 + 1470/3920 = 7200 + 1470/3920 = 8670/3920 - 8670/3920 simplified gives 867/392
- So, 90/49 + 30/80 = 867/392
In mixed form: 283/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/49+60/80 90/98+30/80 90/49+90/80