Add 28/48 and 21/54
28/48 + 21/54 is 35/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 54 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 48 × 9 = 432,
28/48 = 28 × 9/48 × 9 = 252/432 - Likewise, for the 2nd fraction, since 54 × 8 = 432,
21/54 = 21 × 8/54 × 8 = 168/432 - Add the two like fractions:
252/432 + 168/432 = 252 + 168/432 = 420/432 - 420/432 simplified gives 35/36
- So, 28/48 + 21/54 = 35/36
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