Add 90/8 and 84/4
1st number: 11 2/8, 2nd number: 21 0/4
90/8 + 84/4 is 129/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 4 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 8 × 1 = 8,
90/8 = 90 × 1/8 × 1 = 90/8 - Likewise, for the 2nd fraction, since 4 × 2 = 8,
84/4 = 84 × 2/4 × 2 = 168/8 - Add the two like fractions:
90/8 + 168/8 = 90 + 168/8 = 258/8 - 258/8 simplified gives 129/4
- So, 90/8 + 84/4 = 129/4
In mixed form: 321/4
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