Add 12/40 and 16/9
1st number: 12/40, 2nd number: 1 7/9
12/40 + 16/9 is 187/90.
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,
12/40 = 12 × 9/40 × 9 = 108/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
16/9 = 16 × 40/9 × 40 = 640/360 - Add the two like fractions:
108/360 + 640/360 = 108 + 640/360 = 748/360 - 748/360 simplified gives 187/90
- So, 12/40 + 16/9 = 187/90
In mixed form: 27/90
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