Add 72/81 and 90/50
1st number: 72/81, 2nd number: 1 40/50
72/81 + 90/50 is 121/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 50 is 4050
Next, find the equivalent fraction of both fractional numbers with denominator 4050 - For the 1st fraction, since 81 × 50 = 4050,
72/81 = 72 × 50/81 × 50 = 3600/4050 - Likewise, for the 2nd fraction, since 50 × 81 = 4050,
90/50 = 90 × 81/50 × 81 = 7290/4050 - Add the two like fractions:
3600/4050 + 7290/4050 = 3600 + 7290/4050 = 10890/4050 - 10890/4050 simplified gives 121/45
- So, 72/81 + 90/50 = 121/45
In mixed form: 231/45
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