Add 64/20 and 70/9
1st number: 3 4/20, 2nd number: 7 7/9
64/20 + 70/9 is 494/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
64/20 = 64 × 9/20 × 9 = 576/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
70/9 = 70 × 20/9 × 20 = 1400/180 - Add the two like fractions:
576/180 + 1400/180 = 576 + 1400/180 = 1976/180 - 1976/180 simplified gives 494/45
- So, 64/20 + 70/9 = 494/45
In mixed form: 1044/45
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