Add 72/42 and 14/40
1st number: 1 30/42, 2nd number: 14/40
72/42 + 14/40 is 289/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 40 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 42 × 20 = 840,
72/42 = 72 × 20/42 × 20 = 1440/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
14/40 = 14 × 21/40 × 21 = 294/840 - Add the two like fractions:
1440/840 + 294/840 = 1440 + 294/840 = 1734/840 - 1734/840 simplified gives 289/140
- So, 72/42 + 14/40 = 289/140
In mixed form: 29/140
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