Add 54/21 and 25/28
1st number: 2 12/21, 2nd number: 25/28
54/21 + 25/28 is 97/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
54/21 = 54 × 4/21 × 4 = 216/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
25/28 = 25 × 3/28 × 3 = 75/84 - Add the two like fractions:
216/84 + 75/84 = 216 + 75/84 = 291/84 - 291/84 simplified gives 97/28
- So, 54/21 + 25/28 = 97/28
In mixed form: 313/28
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