Add 28/32 and 21/54
28/32 + 21/54 is 91/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 54 is 864
Next, find the equivalent fraction of both fractional numbers with denominator 864 - For the 1st fraction, since 32 × 27 = 864,
28/32 = 28 × 27/32 × 27 = 756/864 - Likewise, for the 2nd fraction, since 54 × 16 = 864,
21/54 = 21 × 16/54 × 16 = 336/864 - Add the two like fractions:
756/864 + 336/864 = 756 + 336/864 = 1092/864 - 1092/864 simplified gives 91/72
- So, 28/32 + 21/54 = 91/72
In mixed form: 119/72
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