Add 21/50 and 90/63
1st number: 21/50, 2nd number: 1 27/63
21/50 + 90/63 is 647/350.
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,
90/63 = 90 × 50/63 × 50 = 4500/3150 - Add the two like fractions:
1323/3150 + 4500/3150 = 1323 + 4500/3150 = 5823/3150 - 5823/3150 simplified gives 647/350
- So, 21/50 + 90/63 = 647/350
In mixed form: 1297/350
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