Add 54/90 and 84/72
1st number: 54/90, 2nd number: 1 12/72
54/90 + 84/72 is 53/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
54/90 = 54 × 4/90 × 4 = 216/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
84/72 = 84 × 5/72 × 5 = 420/360 - Add the two like fractions:
216/360 + 420/360 = 216 + 420/360 = 636/360 - 636/360 simplified gives 53/30
- So, 54/90 + 84/72 = 53/30
In mixed form: 123/30
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