Add 21/63 and 45/48
21/63 + 45/48 is 61/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 48 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 63 × 16 = 1008,
21/63 = 21 × 16/63 × 16 = 336/1008 - Likewise, for the 2nd fraction, since 48 × 21 = 1008,
45/48 = 45 × 21/48 × 21 = 945/1008 - Add the two like fractions:
336/1008 + 945/1008 = 336 + 945/1008 = 1281/1008 - 1281/1008 simplified gives 61/48
- So, 21/63 + 45/48 = 61/48
In mixed form: 113/48
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