Add 21/6 and 84/45
1st number: 3 3/6, 2nd number: 1 39/45
21/6 + 84/45 is 161/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
21/6 = 21 × 15/6 × 15 = 315/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
84/45 = 84 × 2/45 × 2 = 168/90 - Add the two like fractions:
315/90 + 168/90 = 315 + 168/90 = 483/90 - 483/90 simplified gives 161/30
- So, 21/6 + 84/45 = 161/30
In mixed form: 511/30
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