Add 90/81 and 10/70
1st number: 1 9/81, 2nd number: 10/70
90/81 + 10/70 is 79/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 70 is 5670
Next, find the equivalent fraction of both fractional numbers with denominator 5670 - For the 1st fraction, since 81 × 70 = 5670,
90/81 = 90 × 70/81 × 70 = 6300/5670 - Likewise, for the 2nd fraction, since 70 × 81 = 5670,
10/70 = 10 × 81/70 × 81 = 810/5670 - Add the two like fractions:
6300/5670 + 810/5670 = 6300 + 810/5670 = 7110/5670 - 7110/5670 simplified gives 79/63
- So, 90/81 + 10/70 = 79/63
In mixed form: 116/63
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