Add 90/72 and 20/48
1st number: 1 18/72, 2nd number: 20/48
90/72 + 20/48 is 5/3.
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,
90/72 = 90 × 2/72 × 2 = 180/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
20/48 = 20 × 3/48 × 3 = 60/144 - Add the two like fractions:
180/144 + 60/144 = 180 + 60/144 = 240/144 - 240/144 simplified gives 5/3
- So, 90/72 + 20/48 = 5/3
In mixed form: 12/3
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