Add 42/18 and 1/20
1st number: 2 6/18, 2nd number: 1/20
42/18 + 1/20 is 143/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
42/18 = 42 × 10/18 × 10 = 420/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
1/20 = 1 × 9/20 × 9 = 9/180 - Add the two like fractions:
420/180 + 9/180 = 420 + 9/180 = 429/180 - 429/180 simplified gives 143/60
- So, 42/18 + 1/20 = 143/60
In mixed form: 223/60
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