Add 70/20 and 30/75
1st number: 3 10/20, 2nd number: 30/75
70/20 + 30/75 is 39/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 20 × 15 = 300,
70/20 = 70 × 15/20 × 15 = 1050/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
30/75 = 30 × 4/75 × 4 = 120/300 - Add the two like fractions:
1050/300 + 120/300 = 1050 + 120/300 = 1170/300 - 1170/300 simplified gives 39/10
- So, 70/20 + 30/75 = 39/10
In mixed form: 39/10
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