Add 75/72 and 40/30
1st number: 1 3/72, 2nd number: 1 10/30
75/72 + 40/30 is 19/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 30 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 30 × 12 = 360,
40/30 = 40 × 12/30 × 12 = 480/360 - Add the two like fractions:
375/360 + 480/360 = 375 + 480/360 = 855/360 - 855/360 simplified gives 19/8
- So, 75/72 + 40/30 = 19/8
In mixed form: 23/8
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