Add 12/40 and 90/9
1st number: 12/40, 2nd number: 10 0/9
12/40 + 90/9 is 103/10.
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,
90/9 = 90 × 40/9 × 40 = 3600/360 - Add the two like fractions:
108/360 + 3600/360 = 108 + 3600/360 = 3708/360 - 3708/360 simplified gives 103/10
- So, 12/40 + 90/9 = 103/10
In mixed form: 103/10
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