Add 90/24 and 81/20
1st number: 3 18/24, 2nd number: 4 1/20
90/24 + 81/20 is 39/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 20 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
90/24 = 90 × 5/24 × 5 = 450/120 - Likewise, for the 2nd fraction, since 20 × 6 = 120,
81/20 = 81 × 6/20 × 6 = 486/120 - Add the two like fractions:
450/120 + 486/120 = 450 + 486/120 = 936/120 - 936/120 simplified gives 39/5
- So, 90/24 + 81/20 = 39/5
In mixed form: 74/5
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