Add 40/9 and 28/8
1st number: 4 4/9, 2nd number: 3 4/8
40/9 + 28/8 is 143/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
40/9 = 40 × 8/9 × 8 = 320/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
28/8 = 28 × 9/8 × 9 = 252/72 - Add the two like fractions:
320/72 + 252/72 = 320 + 252/72 = 572/72 - 572/72 simplified gives 143/18
- So, 40/9 + 28/8 = 143/18
In mixed form: 717/18
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