Add 4/72 and 72/45
1st number: 4/72, 2nd number: 1 27/45
4/72 + 72/45 is 149/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
4/72 = 4 × 5/72 × 5 = 20/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
72/45 = 72 × 8/45 × 8 = 576/360 - Add the two like fractions:
20/360 + 576/360 = 20 + 576/360 = 596/360 - 596/360 simplified gives 149/90
- So, 4/72 + 72/45 = 149/90
In mixed form: 159/90
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