Add 9/18 and 90/70
1st number: 9/18, 2nd number: 1 20/70
9/18 + 90/70 is 25/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
9/18 = 9 × 35/18 × 35 = 315/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
90/70 = 90 × 9/70 × 9 = 810/630 - Add the two like fractions:
315/630 + 810/630 = 315 + 810/630 = 1125/630 - 1125/630 simplified gives 25/14
- So, 9/18 + 90/70 = 25/14
In mixed form: 111/14
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