Add 21/20 and 81/75
1st number: 1 1/20, 2nd number: 1 6/75
21/20 + 81/75 is 213/100.
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,
21/20 = 21 × 15/20 × 15 = 315/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
81/75 = 81 × 4/75 × 4 = 324/300 - Add the two like fractions:
315/300 + 324/300 = 315 + 324/300 = 639/300 - 639/300 simplified gives 213/100
- So, 21/20 + 81/75 = 213/100
In mixed form: 213/100
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