Add 14/90 and 8/63
14/90 + 8/63 is 89/315.
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,
14/90 = 14 × 7/90 × 7 = 98/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
8/63 = 8 × 10/63 × 10 = 80/630 - Add the two like fractions:
98/630 + 80/630 = 98 + 80/630 = 178/630 - 178/630 simplified gives 89/315
- So, 14/90 + 8/63 = 89/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/90+8/63 14/90+16/63 42/90+8/63 14/90+24/63 70/90+8/63 14/90+40/63 98/90+8/63 14/90+56/63