Add 3/28 and 21/4
1st number: 3/28, 2nd number: 5 1/4
3/28 + 21/4 is 75/14.
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,
3/28 = 3 × 1/28 × 1 = 3/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
21/4 = 21 × 7/4 × 7 = 147/28 - Add the two like fractions:
3/28 + 147/28 = 3 + 147/28 = 150/28 - 150/28 simplified gives 75/14
- So, 3/28 + 21/4 = 75/14
In mixed form: 55/14
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