Add 3/49 and 84/90
3/49 + 84/90 is 731/735.
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,
3/49 = 3 × 90/49 × 90 = 270/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
84/90 = 84 × 49/90 × 49 = 4116/4410 - Add the two like fractions:
270/4410 + 4116/4410 = 270 + 4116/4410 = 4386/4410 - 4386/4410 simplified gives 731/735
- So, 3/49 + 84/90 = 731/735
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/49+84/90 3/98+84/90 9/49+84/90 15/49+84/90 21/49+84/90