Add 54/42 and 75/10
1st number: 1 12/42, 2nd number: 7 5/10
54/42 + 75/10 is 123/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
54/42 = 54 × 5/42 × 5 = 270/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
75/10 = 75 × 21/10 × 21 = 1575/210 - Add the two like fractions:
270/210 + 1575/210 = 270 + 1575/210 = 1845/210 - 1845/210 simplified gives 123/14
- So, 54/42 + 75/10 = 123/14
In mixed form: 811/14
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