Add 70/20 and 14/72
1st number: 3 10/20, 2nd number: 14/72
70/20 + 14/72 is 133/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 20 × 18 = 360,
70/20 = 70 × 18/20 × 18 = 1260/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
14/72 = 14 × 5/72 × 5 = 70/360 - Add the two like fractions:
1260/360 + 70/360 = 1260 + 70/360 = 1330/360 - 1330/360 simplified gives 133/36
- So, 70/20 + 14/72 = 133/36
In mixed form: 325/36
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