Add 72/35 and 18/40
1st number: 2 2/35, 2nd number: 18/40
72/35 + 18/40 is 351/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
72/35 = 72 × 8/35 × 8 = 576/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
18/40 = 18 × 7/40 × 7 = 126/280 - Add the two like fractions:
576/280 + 126/280 = 576 + 126/280 = 702/280 - 702/280 simplified gives 351/140
- So, 72/35 + 18/40 = 351/140
In mixed form: 271/140
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