Add 75/72 and 9/40
1st number: 1 3/72, 2nd number: 9/40
75/72 + 9/40 is 19/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
75/72 = 75 × 5/72 × 5 = 375/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
9/40 = 9 × 9/40 × 9 = 81/360 - Add the two like fractions:
375/360 + 81/360 = 375 + 81/360 = 456/360 - 456/360 simplified gives 19/15
- So, 75/72 + 9/40 = 19/15
In mixed form: 14/15
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