Add 21/63 and 12/50
21/63 + 12/50 is 43/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 50 is 3150
Next, find the equivalent fraction of both fractional numbers with denominator 3150 - For the 1st fraction, since 63 × 50 = 3150,
21/63 = 21 × 50/63 × 50 = 1050/3150 - Likewise, for the 2nd fraction, since 50 × 63 = 3150,
12/50 = 12 × 63/50 × 63 = 756/3150 - Add the two like fractions:
1050/3150 + 756/3150 = 1050 + 756/3150 = 1806/3150 - 1806/3150 simplified gives 43/75
- So, 21/63 + 12/50 = 43/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/63+12/50 21/63+24/50 21/63+36/50 21/63+60/50 21/63+84/50