Add 72/45 and 42/18
1st number: 1 27/45, 2nd number: 2 6/18
72/45 + 42/18 is 59/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
72/45 = 72 × 2/45 × 2 = 144/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
42/18 = 42 × 5/18 × 5 = 210/90 - Add the two like fractions:
144/90 + 210/90 = 144 + 210/90 = 354/90 - 354/90 simplified gives 59/15
- So, 72/45 + 42/18 = 59/15
In mixed form: 314/15
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