Add 28/21 and 36/56
1st number: 1 7/21, 2nd number: 36/56
28/21 + 36/56 is 83/42.
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,
36/56 = 36 × 3/56 × 3 = 108/168 - Add the two like fractions:
224/168 + 108/168 = 224 + 108/168 = 332/168 - 332/168 simplified gives 83/42
- So, 28/21 + 36/56 = 83/42
In mixed form: 141/42
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