Add 54/72 and 15/45
54/72 + 15/45 is 13/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
54/72 = 54 × 5/72 × 5 = 270/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
15/45 = 15 × 8/45 × 8 = 120/360 - Add the two like fractions:
270/360 + 120/360 = 270 + 120/360 = 390/360 - 390/360 simplified gives 13/12
- So, 54/72 + 15/45 = 13/12
In mixed form: 11/12
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