Add 84/20 and 9/45
1st number: 4 4/20, 2nd number: 9/45
84/20 + 9/45 is 22/5.
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,
9/45 = 9 × 4/45 × 4 = 36/180 - Add the two like fractions:
756/180 + 36/180 = 756 + 36/180 = 792/180 - 792/180 simplified gives 22/5
- So, 84/20 + 9/45 = 22/5
In mixed form: 42/5
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