Add 90/9 and 72/10
1st number: 10 0/9, 2nd number: 7 2/10
90/9 + 72/10 is 86/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
90/9 = 90 × 10/9 × 10 = 900/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
72/10 = 72 × 9/10 × 9 = 648/90 - Add the two like fractions:
900/90 + 648/90 = 900 + 648/90 = 1548/90 - 1548/90 simplified gives 86/5
- So, 90/9 + 72/10 = 86/5
In mixed form: 171/5
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