Add 40/63 and 80/9
1st number: 40/63, 2nd number: 8 8/9
40/63 + 80/9 is 200/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
40/63 = 40 × 1/63 × 1 = 40/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
80/9 = 80 × 7/9 × 7 = 560/63 - Add the two like fractions:
40/63 + 560/63 = 40 + 560/63 = 600/63 - 600/63 simplified gives 200/21
- So, 40/63 + 80/9 = 200/21
In mixed form: 911/21
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