Add 72/81 and 45/50
72/81 + 45/50 is 161/90.
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,
45/50 = 45 × 81/50 × 81 = 3645/4050 - Add the two like fractions:
3600/4050 + 3645/4050 = 3600 + 3645/4050 = 7245/4050 - 7245/4050 simplified gives 161/90
- So, 72/81 + 45/50 = 161/90
In mixed form: 171/90
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Related: 72/81+90/50