Add 4/63 and 98/90
1st number: 4/63, 2nd number: 1 8/90
4/63 + 98/90 is 121/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
4/63 = 4 × 10/63 × 10 = 40/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
98/90 = 98 × 7/90 × 7 = 686/630 - Add the two like fractions:
40/630 + 686/630 = 40 + 686/630 = 726/630 - 726/630 simplified gives 121/105
- So, 4/63 + 98/90 = 121/105
In mixed form: 116/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/63+98/90 12/63+98/90 20/63+98/90 28/63+98/90