Add 18/5 and 42/72
1st number: 3 3/5, 2nd number: 42/72
18/5 + 42/72 is 251/60.
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,
42/72 = 42 × 5/72 × 5 = 210/360 - Add the two like fractions:
1296/360 + 210/360 = 1296 + 210/360 = 1506/360 - 1506/360 simplified gives 251/60
- So, 18/5 + 42/72 = 251/60
In mixed form: 411/60
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