Add 70/25 and 90/20
1st number: 2 20/25, 2nd number: 4 10/20
70/25 + 90/20 is 73/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 25 × 4 = 100,
70/25 = 70 × 4/25 × 4 = 280/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
90/20 = 90 × 5/20 × 5 = 450/100 - Add the two like fractions:
280/100 + 450/100 = 280 + 450/100 = 730/100 - 730/100 simplified gives 73/10
- So, 70/25 + 90/20 = 73/10
In mixed form: 73/10
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