Add 27/90 and 72/10
1st number: 27/90, 2nd number: 7 2/10
27/90 + 72/10 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
27/90 = 27 × 1/90 × 1 = 27/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
72/10 = 72 × 9/10 × 9 = 648/90 - Add the two like fractions:
27/90 + 648/90 = 27 + 648/90 = 675/90 - 675/90 simplified gives 15/2
- So, 27/90 + 72/10 = 15/2
In mixed form: 71/2
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