Add 18/24 and 90/20
1st number: 18/24, 2nd number: 4 10/20
18/24 + 90/20 is 21/4.
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,
18/24 = 18 × 5/24 × 5 = 90/120 - Likewise, for the 2nd fraction, since 20 × 6 = 120,
90/20 = 90 × 6/20 × 6 = 540/120 - Add the two like fractions:
90/120 + 540/120 = 90 + 540/120 = 630/120 - 630/120 simplified gives 21/4
- So, 18/24 + 90/20 = 21/4
In mixed form: 51/4
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