Add 20/36 and 30/48
20/36 + 30/48 is 85/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 36 × 4 = 144,
20/36 = 20 × 4/36 × 4 = 80/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
30/48 = 30 × 3/48 × 3 = 90/144 - Add the two like fractions:
80/144 + 90/144 = 80 + 90/144 = 170/144 - 170/144 simplified gives 85/72
- So, 20/36 + 30/48 = 85/72
In mixed form: 113/72
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