Add 21/5 and 42/36
1st number: 4 1/5, 2nd number: 1 6/36
21/5 + 42/36 is 161/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 5 × 36 = 180,
21/5 = 21 × 36/5 × 36 = 756/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
42/36 = 42 × 5/36 × 5 = 210/180 - Add the two like fractions:
756/180 + 210/180 = 756 + 210/180 = 966/180 - 966/180 simplified gives 161/30
- So, 21/5 + 42/36 = 161/30
In mixed form: 511/30
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