Add 30/15 and 54/72
1st number: 2 0/15, 2nd number: 54/72
30/15 + 54/72 is 11/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
30/15 = 30 × 24/15 × 24 = 720/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
54/72 = 54 × 5/72 × 5 = 270/360 - Add the two like fractions:
720/360 + 270/360 = 720 + 270/360 = 990/360 - 990/360 simplified gives 11/4
- So, 30/15 + 54/72 = 11/4
In mixed form: 23/4
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