Add 50/90 and 16/63
50/90 + 16/63 is 17/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
50/90 = 50 × 7/90 × 7 = 350/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
16/63 = 16 × 10/63 × 10 = 160/630 - Add the two like fractions:
350/630 + 160/630 = 350 + 160/630 = 510/630 - 510/630 simplified gives 17/21
- So, 50/90 + 16/63 = 17/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/90+32/63 50/90+48/63 50/90+80/63