Add 90/56 and 30/42
1st number: 1 34/56, 2nd number: 30/42
90/56 + 30/42 is 65/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
90/56 = 90 × 3/56 × 3 = 270/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
30/42 = 30 × 4/42 × 4 = 120/168 - Add the two like fractions:
270/168 + 120/168 = 270 + 120/168 = 390/168 - 390/168 simplified gives 65/28
- So, 90/56 + 30/42 = 65/28
In mixed form: 29/28
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