Add 7/30 and 42/20
1st number: 7/30, 2nd number: 2 2/20
7/30 + 42/20 is 7/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
7/30 = 7 × 2/30 × 2 = 14/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
42/20 = 42 × 3/20 × 3 = 126/60 - Add the two like fractions:
14/60 + 126/60 = 14 + 126/60 = 140/60 - 140/60 simplified gives 7/3
- So, 7/30 + 42/20 = 7/3
In mixed form: 21/3
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