Add 12/35 and 72/40
1st number: 12/35, 2nd number: 1 32/40
12/35 + 72/40 is 15/7.
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,
12/35 = 12 × 8/35 × 8 = 96/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
72/40 = 72 × 7/40 × 7 = 504/280 - Add the two like fractions:
96/280 + 504/280 = 96 + 504/280 = 600/280 - 600/280 simplified gives 15/7
- So, 12/35 + 72/40 = 15/7
In mixed form: 21/7
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