Add 90/20 and 70/10
1st number: 4 10/20, 2nd number: 7 0/10
90/20 + 70/10 is 23/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
90/20 = 90 × 1/20 × 1 = 90/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
70/10 = 70 × 2/10 × 2 = 140/20 - Add the two like fractions:
90/20 + 140/20 = 90 + 140/20 = 230/20 - 230/20 simplified gives 23/2
- So, 90/20 + 70/10 = 23/2
In mixed form: 111/2
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