Add 6/90 and 27/21
1st number: 6/90, 2nd number: 1 6/21
6/90 + 27/21 is 142/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 21 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
6/90 = 6 × 7/90 × 7 = 42/630 - Likewise, for the 2nd fraction, since 21 × 30 = 630,
27/21 = 27 × 30/21 × 30 = 810/630 - Add the two like fractions:
42/630 + 810/630 = 42 + 810/630 = 852/630 - 852/630 simplified gives 142/105
- So, 6/90 + 27/21 = 142/105
In mixed form: 137/105
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