Add 70/25 and 28/20
1st number: 2 20/25, 2nd number: 1 8/20
70/25 + 28/20 is 21/5.
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,
28/20 = 28 × 5/20 × 5 = 140/100 - Add the two like fractions:
280/100 + 140/100 = 280 + 140/100 = 420/100 - 420/100 simplified gives 21/5
- So, 70/25 + 28/20 = 21/5
In mixed form: 41/5
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