Add 42/14 and 80/90
1st number: 3 0/14, 2nd number: 80/90
42/14 + 80/90 is 35/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
42/14 = 42 × 45/14 × 45 = 1890/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
80/90 = 80 × 7/90 × 7 = 560/630 - Add the two like fractions:
1890/630 + 560/630 = 1890 + 560/630 = 2450/630 - 2450/630 simplified gives 35/9
- So, 42/14 + 80/90 = 35/9
In mixed form: 38/9
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