Add 18/5 and 9/72
1st number: 3 3/5, 2nd number: 9/72
18/5 + 9/72 is 149/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 5 × 72 = 360,
18/5 = 18 × 72/5 × 72 = 1296/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
9/72 = 9 × 5/72 × 5 = 45/360 - Add the two like fractions:
1296/360 + 45/360 = 1296 + 45/360 = 1341/360 - 1341/360 simplified gives 149/40
- So, 18/5 + 9/72 = 149/40
In mixed form: 329/40
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