Add 90/9 and 70/63
1st number: 10 0/9, 2nd number: 1 7/63
90/9 + 70/63 is 100/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
90/9 = 90 × 7/9 × 7 = 630/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
70/63 = 70 × 1/63 × 1 = 70/63 - Add the two like fractions:
630/63 + 70/63 = 630 + 70/63 = 700/63 - 700/63 simplified gives 100/9
- So, 90/9 + 70/63 = 100/9
In mixed form: 111/9
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