Add 70/4 and 75/20
1st number: 17 2/4, 2nd number: 3 15/20
70/4 + 75/20 is 85/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
70/4 = 70 × 5/4 × 5 = 350/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
75/20 = 75 × 1/20 × 1 = 75/20 - Add the two like fractions:
350/20 + 75/20 = 350 + 75/20 = 425/20 - 425/20 simplified gives 85/4
- So, 70/4 + 75/20 = 85/4
In mixed form: 211/4
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