Add 54/72 and 72/30
1st number: 54/72, 2nd number: 2 12/30
54/72 + 72/30 is 63/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 30 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 30 × 12 = 360,
72/30 = 72 × 12/30 × 12 = 864/360 - Add the two like fractions:
270/360 + 864/360 = 270 + 864/360 = 1134/360 - 1134/360 simplified gives 63/20
- So, 54/72 + 72/30 = 63/20
In mixed form: 33/20
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