Add 42/45 and 6/9
42/45 + 6/9 is 8/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
42/45 = 42 × 1/45 × 1 = 42/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
6/9 = 6 × 5/9 × 5 = 30/45 - Add the two like fractions:
42/45 + 30/45 = 42 + 30/45 = 72/45 - 72/45 simplified gives 8/5
- So, 42/45 + 6/9 = 8/5
In mixed form: 13/5
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