Add 15/63 and 21/4
1st number: 15/63, 2nd number: 5 1/4
15/63 + 21/4 is 461/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 4 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
15/63 = 15 × 4/63 × 4 = 60/252 - Likewise, for the 2nd fraction, since 4 × 63 = 252,
21/4 = 21 × 63/4 × 63 = 1323/252 - Add the two like fractions:
60/252 + 1323/252 = 60 + 1323/252 = 1383/252 - 1383/252 simplified gives 461/84
- So, 15/63 + 21/4 = 461/84
In mixed form: 541/84
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