Add 9/40 and 20/9
1st number: 9/40, 2nd number: 2 2/9
9/40 + 20/9 is 881/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 9 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
9/40 = 9 × 9/40 × 9 = 81/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
20/9 = 20 × 40/9 × 40 = 800/360 - Add the two like fractions:
81/360 + 800/360 = 81 + 800/360 = 881/360 - So, 9/40 + 20/9 = 881/360
In mixed form: 2161/360
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