Add 5/21 and 81/48
1st number: 5/21, 2nd number: 1 33/48
5/21 + 81/48 is 647/336.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
5/21 = 5 × 16/21 × 16 = 80/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
81/48 = 81 × 7/48 × 7 = 567/336 - Add the two like fractions:
80/336 + 567/336 = 80 + 567/336 = 647/336 - So, 5/21 + 81/48 = 647/336
In mixed form: 1311/336
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