Add 72/10 and 28/90
1st number: 7 2/10, 2nd number: 28/90
72/10 + 28/90 is 338/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
72/10 = 72 × 9/10 × 9 = 648/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
28/90 = 28 × 1/90 × 1 = 28/90 - Add the two like fractions:
648/90 + 28/90 = 648 + 28/90 = 676/90 - 676/90 simplified gives 338/45
- So, 72/10 + 28/90 = 338/45
In mixed form: 723/45
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