Add 42/6 and 21/30
1st number: 7 0/6, 2nd number: 21/30
42/6 + 21/30 is 77/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
42/6 = 42 × 5/6 × 5 = 210/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
21/30 = 21 × 1/30 × 1 = 21/30 - Add the two like fractions:
210/30 + 21/30 = 210 + 21/30 = 231/30 - 231/30 simplified gives 77/10
- So, 42/6 + 21/30 = 77/10
In mixed form: 77/10
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