Add 81/20 and 30/75
1st number: 4 1/20, 2nd number: 30/75
81/20 + 30/75 is 89/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 20 × 15 = 300,
81/20 = 81 × 15/20 × 15 = 1215/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
30/75 = 30 × 4/75 × 4 = 120/300 - Add the two like fractions:
1215/300 + 120/300 = 1215 + 120/300 = 1335/300 - 1335/300 simplified gives 89/20
- So, 81/20 + 30/75 = 89/20
In mixed form: 49/20
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