Add 70/9 and 42/5
1st number: 7 7/9, 2nd number: 8 2/5
70/9 + 42/5 is 728/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
70/9 = 70 × 5/9 × 5 = 350/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
42/5 = 42 × 9/5 × 9 = 378/45 - Add the two like fractions:
350/45 + 378/45 = 350 + 378/45 = 728/45 - So, 70/9 + 42/5 = 728/45
In mixed form: 168/45
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