Add 8/21 and 40/4
1st number: 8/21, 2nd number: 10 0/4
8/21 + 40/4 is 218/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
8/21 = 8 × 4/21 × 4 = 32/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
40/4 = 40 × 21/4 × 21 = 840/84 - Add the two like fractions:
32/84 + 840/84 = 32 + 840/84 = 872/84 - 872/84 simplified gives 218/21
- So, 8/21 + 40/4 = 218/21
In mixed form: 108/21
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