Add 12/40 and 25/18
1st number: 12/40, 2nd number: 1 7/18
12/40 + 25/18 is 76/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 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 18 × 20 = 360,
25/18 = 25 × 20/18 × 20 = 500/360 - Add the two like fractions:
108/360 + 500/360 = 108 + 500/360 = 608/360 - 608/360 simplified gives 76/45
- So, 12/40 + 25/18 = 76/45
In mixed form: 131/45
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