Add 81/10 and 30/75
1st number: 8 1/10, 2nd number: 30/75
81/10 + 30/75 is 17/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 10 × 15 = 150,
81/10 = 81 × 15/10 × 15 = 1215/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
30/75 = 30 × 2/75 × 2 = 60/150 - Add the two like fractions:
1215/150 + 60/150 = 1215 + 60/150 = 1275/150 - 1275/150 simplified gives 17/2
- So, 81/10 + 30/75 = 17/2
In mixed form: 81/2
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