Add 15/9 and 90/49
1st number: 1 6/9, 2nd number: 1 41/49
15/9 + 90/49 is 515/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 9 × 49 = 441,
15/9 = 15 × 49/9 × 49 = 735/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
90/49 = 90 × 9/49 × 9 = 810/441 - Add the two like fractions:
735/441 + 810/441 = 735 + 810/441 = 1545/441 - 1545/441 simplified gives 515/147
- So, 15/9 + 90/49 = 515/147
In mixed form: 374/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/9+90/49 15/18+90/49 15/9+90/98 45/9+90/49 15/27+90/49 75/9+90/49 15/45+90/49 15/63+90/49