Add 90/5 and 84/8
1st number: 18 0/5, 2nd number: 10 4/8
90/5 + 84/8 is 57/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
90/5 = 90 × 8/5 × 8 = 720/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
84/8 = 84 × 5/8 × 5 = 420/40 - Add the two like fractions:
720/40 + 420/40 = 720 + 420/40 = 1140/40 - 1140/40 simplified gives 57/2
- So, 90/5 + 84/8 = 57/2
In mixed form: 281/2
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