Add 15/49 and 15/90
15/49 + 15/90 is 139/294.
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,
15/49 = 15 × 90/49 × 90 = 1350/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
15/90 = 15 × 49/90 × 49 = 735/4410 - Add the two like fractions:
1350/4410 + 735/4410 = 1350 + 735/4410 = 2085/4410 - 2085/4410 simplified gives 139/294
- So, 15/49 + 15/90 = 139/294
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/49+15/90 15/49+30/90 15/98+15/90 45/49+15/90 15/49+45/90 75/49+15/90 15/49+75/90