Add 12/40 and 75/72
1st number: 12/40, 2nd number: 1 3/72
12/40 + 75/72 is 161/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 72 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 72 × 5 = 360,
75/72 = 75 × 5/72 × 5 = 375/360 - Add the two like fractions:
108/360 + 375/360 = 108 + 375/360 = 483/360 - 483/360 simplified gives 161/120
- So, 12/40 + 75/72 = 161/120
In mixed form: 141/120
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