Add 4/72 and 70/40
1st number: 4/72, 2nd number: 1 30/40
4/72 + 70/40 is 65/36.
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,
4/72 = 4 × 5/72 × 5 = 20/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
70/40 = 70 × 9/40 × 9 = 630/360 - Add the two like fractions:
20/360 + 630/360 = 20 + 630/360 = 650/360 - 650/360 simplified gives 65/36
- So, 4/72 + 70/40 = 65/36
In mixed form: 129/36
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