Add 14/20 and 90/63
1st number: 14/20, 2nd number: 1 27/63
14/20 + 90/63 is 149/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 20 × 63 = 1260,
14/20 = 14 × 63/20 × 63 = 882/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
90/63 = 90 × 20/63 × 20 = 1800/1260 - Add the two like fractions:
882/1260 + 1800/1260 = 882 + 1800/1260 = 2682/1260 - 2682/1260 simplified gives 149/70
- So, 14/20 + 90/63 = 149/70
In mixed form: 29/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/20+90/63 14/40+90/63 42/20+90/63 14/60+90/63 70/20+90/63 98/20+90/63