Add 21/5 and 6/63
1st number: 4 1/5, 2nd number: 6/63
21/5 + 6/63 is 451/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
21/5 = 21 × 63/5 × 63 = 1323/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
6/63 = 6 × 5/63 × 5 = 30/315 - Add the two like fractions:
1323/315 + 30/315 = 1323 + 30/315 = 1353/315 - 1353/315 simplified gives 451/105
- So, 21/5 + 6/63 = 451/105
In mixed form: 431/105
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