Add 42/20 and 48/45
1st number: 2 2/20, 2nd number: 1 3/45
42/20 + 48/45 is 19/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
42/20 = 42 × 9/20 × 9 = 378/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
48/45 = 48 × 4/45 × 4 = 192/180 - Add the two like fractions:
378/180 + 192/180 = 378 + 192/180 = 570/180 - 570/180 simplified gives 19/6
- So, 42/20 + 48/45 = 19/6
In mixed form: 31/6
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