Add 20/8 and 70/9
1st number: 2 4/8, 2nd number: 7 7/9
20/8 + 70/9 is 185/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
20/8 = 20 × 9/8 × 9 = 180/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
70/9 = 70 × 8/9 × 8 = 560/72 - Add the two like fractions:
180/72 + 560/72 = 180 + 560/72 = 740/72 - 740/72 simplified gives 185/18
- So, 20/8 + 70/9 = 185/18
In mixed form: 105/18
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