Add 70/9 and 20/28
1st number: 7 7/9, 2nd number: 20/28
70/9 + 20/28 is 535/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
70/9 = 70 × 28/9 × 28 = 1960/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
20/28 = 20 × 9/28 × 9 = 180/252 - Add the two like fractions:
1960/252 + 180/252 = 1960 + 180/252 = 2140/252 - 2140/252 simplified gives 535/63
- So, 70/9 + 20/28 = 535/63
In mixed form: 831/63
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