Add 70/20 and 90/50
1st number: 3 10/20, 2nd number: 1 40/50
70/20 + 90/50 is 53/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
70/20 = 70 × 5/20 × 5 = 350/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
90/50 = 90 × 2/50 × 2 = 180/100 - Add the two like fractions:
350/100 + 180/100 = 350 + 180/100 = 530/100 - 530/100 simplified gives 53/10
- So, 70/20 + 90/50 = 53/10
In mixed form: 53/10
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