Add 45/54 and 90/72
1st number: 45/54, 2nd number: 1 18/72
45/54 + 90/72 is 25/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 72 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
45/54 = 45 × 4/54 × 4 = 180/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
90/72 = 90 × 3/72 × 3 = 270/216 - Add the two like fractions:
180/216 + 270/216 = 180 + 270/216 = 450/216 - 450/216 simplified gives 25/12
- So, 45/54 + 90/72 = 25/12
In mixed form: 21/12
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Related: 90/54+90/72