Add 75/40 and 81/24
1st number: 1 35/40, 2nd number: 3 9/24
75/40 + 81/24 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
75/40 = 75 × 3/40 × 3 = 225/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
81/24 = 81 × 5/24 × 5 = 405/120 - Add the two like fractions:
225/120 + 405/120 = 225 + 405/120 = 630/120 - 630/120 simplified gives 21/4
- So, 75/40 + 81/24 = 21/4
In mixed form: 51/4
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