Add 42/18 and 21/60
1st number: 2 6/18, 2nd number: 21/60
42/18 + 21/60 is 161/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 60 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 60 × 3 = 180,
21/60 = 21 × 3/60 × 3 = 63/180 - Add the two like fractions:
420/180 + 63/180 = 420 + 63/180 = 483/180 - 483/180 simplified gives 161/60
- So, 42/18 + 21/60 = 161/60
In mixed form: 241/60
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