Add 28/20 and 70/10
1st number: 1 8/20, 2nd number: 7 0/10
28/20 + 70/10 is 42/5.
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,
28/20 = 28 × 1/20 × 1 = 28/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
70/10 = 70 × 2/10 × 2 = 140/20 - Add the two like fractions:
28/20 + 140/20 = 28 + 140/20 = 168/20 - 168/20 simplified gives 42/5
- So, 28/20 + 70/10 = 42/5
In mixed form: 82/5
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