Add 21/2 and 54/28
1st number: 10 1/2, 2nd number: 1 26/28
21/2 + 54/28 is 87/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 2 × 14 = 28,
21/2 = 21 × 14/2 × 14 = 294/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
54/28 = 54 × 1/28 × 1 = 54/28 - Add the two like fractions:
294/28 + 54/28 = 294 + 54/28 = 348/28 - 348/28 simplified gives 87/7
- So, 21/2 + 54/28 = 87/7
In mixed form: 123/7
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