Add 5/8 and 84/21
1st number: 5/8, 2nd number: 4 0/21
5/8 + 84/21 is 37/8.
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,
5/8 = 5 × 21/8 × 21 = 105/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
84/21 = 84 × 8/21 × 8 = 672/168 - Add the two like fractions:
105/168 + 672/168 = 105 + 672/168 = 777/168 - 777/168 simplified gives 37/8
- So, 5/8 + 84/21 = 37/8
In mixed form: 45/8
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