Add 90/63 and 49/15
1st number: 1 27/63, 2nd number: 3 4/15
90/63 + 49/15 is 493/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 15 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
90/63 = 90 × 5/63 × 5 = 450/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
49/15 = 49 × 21/15 × 21 = 1029/315 - Add the two like fractions:
450/315 + 1029/315 = 450 + 1029/315 = 1479/315 - 1479/315 simplified gives 493/105
- So, 90/63 + 49/15 = 493/105
In mixed form: 473/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63+98/15 90/63+49/30 90/63+49/45 90/63+49/75