Add 21/50 and 28/63
21/50 + 28/63 is 389/450.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 63 is 3150
Next, find the equivalent fraction of both fractional numbers with denominator 3150 - For the 1st fraction, since 50 × 63 = 3150,
21/50 = 21 × 63/50 × 63 = 1323/3150 - Likewise, for the 2nd fraction, since 63 × 50 = 3150,
28/63 = 28 × 50/63 × 50 = 1400/3150 - Add the two like fractions:
1323/3150 + 1400/3150 = 1323 + 1400/3150 = 2723/3150 - 2723/3150 simplified gives 389/450
- So, 21/50 + 28/63 = 389/450
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