Add 10/63 and 90/70
1st number: 10/63, 2nd number: 1 20/70
10/63 + 90/70 is 13/9.
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,
10/63 = 10 × 10/63 × 10 = 100/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
90/70 = 90 × 9/70 × 9 = 810/630 - Add the two like fractions:
100/630 + 810/630 = 100 + 810/630 = 910/630 - 910/630 simplified gives 13/9
- So, 10/63 + 90/70 = 13/9
In mixed form: 14/9
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