Add 9/28 and 21/4
1st number: 9/28, 2nd number: 5 1/4
9/28 + 21/4 is 39/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 4 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
9/28 = 9 × 1/28 × 1 = 9/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
21/4 = 21 × 7/4 × 7 = 147/28 - Add the two like fractions:
9/28 + 147/28 = 9 + 147/28 = 156/28 - 156/28 simplified gives 39/7
- So, 9/28 + 21/4 = 39/7
In mixed form: 54/7
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