Add 70/9 and 90/70
1st number: 7 7/9, 2nd number: 1 20/70
70/9 + 90/70 is 571/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
70/9 = 70 × 70/9 × 70 = 4900/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
90/70 = 90 × 9/70 × 9 = 810/630 - Add the two like fractions:
4900/630 + 810/630 = 4900 + 810/630 = 5710/630 - 5710/630 simplified gives 571/63
- So, 70/9 + 90/70 = 571/63
In mixed form: 94/63
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