Add 70/20 and 90/6
1st number: 3 10/20, 2nd number: 15 0/6
70/20 + 90/6 is 37/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 6 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
70/20 = 70 × 3/20 × 3 = 210/60 - Likewise, for the 2nd fraction, since 6 × 10 = 60,
90/6 = 90 × 10/6 × 10 = 900/60 - Add the two like fractions:
210/60 + 900/60 = 210 + 900/60 = 1110/60 - 1110/60 simplified gives 37/2
- So, 70/20 + 90/6 = 37/2
In mixed form: 181/2
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