Add 28/21 and 5/56
1st number: 1 7/21, 2nd number: 5/56
28/21 + 5/56 is 239/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
28/21 = 28 × 8/21 × 8 = 224/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
5/56 = 5 × 3/56 × 3 = 15/168 - Add the two like fractions:
224/168 + 15/168 = 224 + 15/168 = 239/168 - So, 28/21 + 5/56 = 239/168
In mixed form: 171/168
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