Add 70/20 and 75/36
1st number: 3 10/20, 2nd number: 2 3/36
70/20 + 75/36 is 67/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
70/20 = 70 × 9/20 × 9 = 630/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
75/36 = 75 × 5/36 × 5 = 375/180 - Add the two like fractions:
630/180 + 375/180 = 630 + 375/180 = 1005/180 - 1005/180 simplified gives 67/12
- So, 70/20 + 75/36 = 67/12
In mixed form: 57/12
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