Add 2/5 and 42/45
2/5 + 42/45 is 4/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
2/5 = 2 × 9/5 × 9 = 18/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
42/45 = 42 × 1/45 × 1 = 42/45 - Add the two like fractions:
18/45 + 42/45 = 18 + 42/45 = 60/45 - 60/45 simplified gives 4/3
- So, 2/5 + 42/45 = 4/3
In mixed form: 11/3
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