Add 21/36 and 28/48
21/36 + 28/48 is 7/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 36 × 4 = 144,
21/36 = 21 × 4/36 × 4 = 84/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
28/48 = 28 × 3/48 × 3 = 84/144 - Add the two like fractions:
84/144 + 84/144 = 84 + 84/144 = 168/144 - 168/144 simplified gives 7/6
- So, 21/36 + 28/48 = 7/6
In mixed form: 11/6
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