Add 54/72 and 20/32
54/72 + 20/32 is 11/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 72 × 4 = 288,
54/72 = 54 × 4/72 × 4 = 216/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
20/32 = 20 × 9/32 × 9 = 180/288 - Add the two like fractions:
216/288 + 180/288 = 216 + 180/288 = 396/288 - 396/288 simplified gives 11/8
- So, 54/72 + 20/32 = 11/8
In mixed form: 13/8
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