Add 10/9 and 70/7
1st number: 1 1/9, 2nd number: 10 0/7
10/9 + 70/7 is 100/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
10/9 = 10 × 7/9 × 7 = 70/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
70/7 = 70 × 9/7 × 9 = 630/63 - Add the two like fractions:
70/63 + 630/63 = 70 + 630/63 = 700/63 - 700/63 simplified gives 100/9
- So, 10/9 + 70/7 = 100/9
In mixed form: 111/9
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