Add 21/56 and 90/6
1st number: 21/56, 2nd number: 15 0/6
21/56 + 90/6 is 123/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 6 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
21/56 = 21 × 3/56 × 3 = 63/168 - Likewise, for the 2nd fraction, since 6 × 28 = 168,
90/6 = 90 × 28/6 × 28 = 2520/168 - Add the two like fractions:
63/168 + 2520/168 = 63 + 2520/168 = 2583/168 - 2583/168 simplified gives 123/8
- So, 21/56 + 90/6 = 123/8
In mixed form: 153/8
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