Add 56/8 and 7/21
1st number: 7 0/8, 2nd number: 7/21
56/8 + 7/21 is 22/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
56/8 = 56 × 21/8 × 21 = 1176/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
7/21 = 7 × 8/21 × 8 = 56/168 - Add the two like fractions:
1176/168 + 56/168 = 1176 + 56/168 = 1232/168 - 1232/168 simplified gives 22/3
- So, 56/8 + 7/21 = 22/3
In mixed form: 71/3
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