Add 3/63 and 80/70
1st number: 3/63, 2nd number: 1 10/70
3/63 + 80/70 is 25/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
3/63 = 3 × 10/63 × 10 = 30/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
80/70 = 80 × 9/70 × 9 = 720/630 - Add the two like fractions:
30/630 + 720/630 = 30 + 720/630 = 750/630 - 750/630 simplified gives 25/21
- So, 3/63 + 80/70 = 25/21
In mixed form: 14/21
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