Add 10/90 and 70/63
1st number: 10/90, 2nd number: 1 7/63
10/90 + 70/63 is 11/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
10/90 = 10 × 7/90 × 7 = 70/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
70/63 = 70 × 10/63 × 10 = 700/630 - Add the two like fractions:
70/630 + 700/630 = 70 + 700/630 = 770/630 - 770/630 simplified gives 11/9
- So, 10/90 + 70/63 = 11/9
In mixed form: 12/9
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