Add 70/42 and 90/8
1st number: 1 28/42, 2nd number: 11 2/8
70/42 + 90/8 is 155/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
70/42 = 70 × 4/42 × 4 = 280/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
90/8 = 90 × 21/8 × 21 = 1890/168 - Add the two like fractions:
280/168 + 1890/168 = 280 + 1890/168 = 2170/168 - 2170/168 simplified gives 155/12
- So, 70/42 + 90/8 = 155/12
In mixed form: 1211/12
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