Add 42/20 and 72/60
1st number: 2 2/20, 2nd number: 1 12/60
42/20 + 72/60 is 33/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
42/20 = 42 × 3/20 × 3 = 126/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
72/60 = 72 × 1/60 × 1 = 72/60 - Add the two like fractions:
126/60 + 72/60 = 126 + 72/60 = 198/60 - 198/60 simplified gives 33/10
- So, 42/20 + 72/60 = 33/10
In mixed form: 33/10
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