Add 14/63 and 28/70
14/63 + 28/70 is 28/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
14/63 = 14 × 10/63 × 10 = 140/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
28/70 = 28 × 9/70 × 9 = 252/630 - Add the two like fractions:
140/630 + 252/630 = 140 + 252/630 = 392/630 - 392/630 simplified gives 28/45
- So, 14/63 + 28/70 = 28/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/63+28/70 14/63+56/70 42/63+28/70 14/63+84/70 70/63+28/70 98/63+28/70