Add 14/90 and 45/63
14/90 + 45/63 is 274/315.
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,
45/63 = 45 × 10/63 × 10 = 450/630 - Add the two like fractions:
98/630 + 450/630 = 98 + 450/630 = 548/630 - 548/630 simplified gives 274/315
- So, 14/90 + 45/63 = 274/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/90+45/63 14/90+90/63 42/90+45/63 70/90+45/63 98/90+45/63