Add 75/30 and 9/72
1st number: 2 15/30, 2nd number: 9/72
75/30 + 9/72 is 21/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
75/30 = 75 × 12/30 × 12 = 900/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
9/72 = 9 × 5/72 × 5 = 45/360 - Add the two like fractions:
900/360 + 45/360 = 900 + 45/360 = 945/360 - 945/360 simplified gives 21/8
- So, 75/30 + 9/72 = 21/8
In mixed form: 25/8
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