Add 5/42 and 90/36
1st number: 5/42, 2nd number: 2 18/36
5/42 + 90/36 is 55/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 42 × 6 = 252,
5/42 = 5 × 6/42 × 6 = 30/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
90/36 = 90 × 7/36 × 7 = 630/252 - Add the two like fractions:
30/252 + 630/252 = 30 + 630/252 = 660/252 - 660/252 simplified gives 55/21
- So, 5/42 + 90/36 = 55/21
In mixed form: 213/21
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