Add 81/30 and 72/24
1st number: 2 21/30, 2nd number: 3 0/24
81/30 + 72/24 is 57/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
81/30 = 81 × 4/30 × 4 = 324/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
72/24 = 72 × 5/24 × 5 = 360/120 - Add the two like fractions:
324/120 + 360/120 = 324 + 360/120 = 684/120 - 684/120 simplified gives 57/10
- So, 81/30 + 72/24 = 57/10
In mixed form: 57/10
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