Add 84/20 and 1/45
1st number: 4 4/20, 2nd number: 1/45
84/20 + 1/45 is 38/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
84/20 = 84 × 9/20 × 9 = 756/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
1/45 = 1 × 4/45 × 4 = 4/180 - Add the two like fractions:
756/180 + 4/180 = 756 + 4/180 = 760/180 - 760/180 simplified gives 38/9
- So, 84/20 + 1/45 = 38/9
In mixed form: 42/9
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