Add 18/72 and 9/5
1st number: 18/72, 2nd number: 1 4/5
18/72 + 9/5 is 41/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 5 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
18/72 = 18 × 5/72 × 5 = 90/360 - Likewise, for the 2nd fraction, since 5 × 72 = 360,
9/5 = 9 × 72/5 × 72 = 648/360 - Add the two like fractions:
90/360 + 648/360 = 90 + 648/360 = 738/360 - 738/360 simplified gives 41/20
- So, 18/72 + 9/5 = 41/20
In mixed form: 21/20
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