Add 90/50 and 70/81
1st number: 1 40/50, 2nd number: 70/81
90/50 + 70/81 is 1079/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 81 is 4050
Next, find the equivalent fraction of both fractional numbers with denominator 4050 - For the 1st fraction, since 50 × 81 = 4050,
90/50 = 90 × 81/50 × 81 = 7290/4050 - Likewise, for the 2nd fraction, since 81 × 50 = 4050,
70/81 = 70 × 50/81 × 50 = 3500/4050 - Add the two like fractions:
7290/4050 + 3500/4050 = 7290 + 3500/4050 = 10790/4050 - 10790/4050 simplified gives 1079/405
- So, 90/50 + 70/81 = 1079/405
In mixed form: 2269/405
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