Add 81/90 and 70/4
1st number: 81/90, 2nd number: 17 2/4
81/90 + 70/4 is 92/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
81/90 = 81 × 2/90 × 2 = 162/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
70/4 = 70 × 45/4 × 45 = 3150/180 - Add the two like fractions:
162/180 + 3150/180 = 162 + 3150/180 = 3312/180 - 3312/180 simplified gives 92/5
- So, 81/90 + 70/4 = 92/5
In mixed form: 182/5
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