Add 75/72 and 75/90
1st number: 1 3/72, 2nd number: 75/90
75/72 + 75/90 is 15/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 90 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 90 × 4 = 360,
75/90 = 75 × 4/90 × 4 = 300/360 - Add the two like fractions:
375/360 + 300/360 = 375 + 300/360 = 675/360 - 675/360 simplified gives 15/8
- So, 75/72 + 75/90 = 15/8
In mixed form: 17/8
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