Add 72/45 and 42/10
1st number: 1 27/45, 2nd number: 4 2/10
72/45 + 42/10 is 29/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 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 10 × 9 = 90,
42/10 = 42 × 9/10 × 9 = 378/90 - Add the two like fractions:
144/90 + 378/90 = 144 + 378/90 = 522/90 - 522/90 simplified gives 29/5
- So, 72/45 + 42/10 = 29/5
In mixed form: 54/5
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