Add 14/20 and 84/45
1st number: 14/20, 2nd number: 1 39/45
14/20 + 84/45 is 77/30.
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,
14/20 = 14 × 9/20 × 9 = 126/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
84/45 = 84 × 4/45 × 4 = 336/180 - Add the two like fractions:
126/180 + 336/180 = 126 + 336/180 = 462/180 - 462/180 simplified gives 77/30
- So, 14/20 + 84/45 = 77/30
In mixed form: 217/30
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