Add 14/30 and 45/63
14/30 + 45/63 is 124/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
14/30 = 14 × 21/30 × 21 = 294/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
45/63 = 45 × 10/63 × 10 = 450/630 - Add the two like fractions:
294/630 + 450/630 = 294 + 450/630 = 744/630 - 744/630 simplified gives 124/105
- So, 14/30 + 45/63 = 124/105
In mixed form: 119/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/30+45/63 14/30+90/63 14/60+45/63 42/30+45/63 14/90+45/63 70/30+45/63 98/30+45/63