Add 18/72 and 70/45
1st number: 18/72, 2nd number: 1 25/45
18/72 + 70/45 is 65/36.
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,
18/72 = 18 × 5/72 × 5 = 90/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
70/45 = 70 × 8/45 × 8 = 560/360 - Add the two like fractions:
90/360 + 560/360 = 90 + 560/360 = 650/360 - 650/360 simplified gives 65/36
- So, 18/72 + 70/45 = 65/36
In mixed form: 129/36
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