Add 3/2 and 81/72
1st number: 1 1/2, 2nd number: 1 9/72
3/2 + 81/72 is 21/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
3/2 = 3 × 36/2 × 36 = 108/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
81/72 = 81 × 1/72 × 1 = 81/72 - Add the two like fractions:
108/72 + 81/72 = 108 + 81/72 = 189/72 - 189/72 simplified gives 21/8
- So, 3/2 + 81/72 = 21/8
In mixed form: 25/8
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