Add 27/90 and 84/7
1st number: 27/90, 2nd number: 12 0/7
27/90 + 84/7 is 123/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 7 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
27/90 = 27 × 7/90 × 7 = 189/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
84/7 = 84 × 90/7 × 90 = 7560/630 - Add the two like fractions:
189/630 + 7560/630 = 189 + 7560/630 = 7749/630 - 7749/630 simplified gives 123/10
- So, 27/90 + 84/7 = 123/10
In mixed form: 123/10
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