Add 70/20 and 30/4
1st number: 3 10/20, 2nd number: 7 2/4
70/20 + 30/4 is 11/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
70/20 = 70 × 1/20 × 1 = 70/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
30/4 = 30 × 5/4 × 5 = 150/20 - Add the two like fractions:
70/20 + 150/20 = 70 + 150/20 = 220/20 - 220/20 simplified gives 11/1
- So, 70/20 + 30/4 = 11/1
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