Add 54/42 and 72/5
1st number: 1 12/42, 2nd number: 14 2/5
54/42 + 72/5 is 549/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 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 5 × 42 = 210,
72/5 = 72 × 42/5 × 42 = 3024/210 - Add the two like fractions:
270/210 + 3024/210 = 270 + 3024/210 = 3294/210 - 3294/210 simplified gives 549/35
- So, 54/42 + 72/5 = 549/35
In mixed form: 1524/35
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