Add 70/75 and 72/20
1st number: 70/75, 2nd number: 3 12/20
70/75 + 72/20 is 68/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
70/75 = 70 × 4/75 × 4 = 280/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
72/20 = 72 × 15/20 × 15 = 1080/300 - Add the two like fractions:
280/300 + 1080/300 = 280 + 1080/300 = 1360/300 - 1360/300 simplified gives 68/15
- So, 70/75 + 72/20 = 68/15
In mixed form: 48/15
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