Add 12/40 and 72/35
1st number: 12/40, 2nd number: 2 2/35
12/40 + 72/35 is 33/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
12/40 = 12 × 7/40 × 7 = 84/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
72/35 = 72 × 8/35 × 8 = 576/280 - Add the two like fractions:
84/280 + 576/280 = 84 + 576/280 = 660/280 - 660/280 simplified gives 33/14
- So, 12/40 + 72/35 = 33/14
In mixed form: 25/14
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