Add 84/72 and 20/48
1st number: 1 12/72, 2nd number: 20/48
84/72 + 20/48 is 19/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 72 × 2 = 144,
84/72 = 84 × 2/72 × 2 = 168/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
20/48 = 20 × 3/48 × 3 = 60/144 - Add the two like fractions:
168/144 + 60/144 = 168 + 60/144 = 228/144 - 228/144 simplified gives 19/12
- So, 84/72 + 20/48 = 19/12
In mixed form: 17/12
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