Add 21/54 and 54/48
1st number: 21/54, 2nd number: 1 6/48
21/54 + 54/48 is 109/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 48 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 54 × 8 = 432,
21/54 = 21 × 8/54 × 8 = 168/432 - Likewise, for the 2nd fraction, since 48 × 9 = 432,
54/48 = 54 × 9/48 × 9 = 486/432 - Add the two like fractions:
168/432 + 486/432 = 168 + 486/432 = 654/432 - 654/432 simplified gives 109/72
- So, 21/54 + 54/48 = 109/72
In mixed form: 137/72
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