Add 72/7 and 60/40
1st number: 10 2/7, 2nd number: 1 20/40
72/7 + 60/40 is 165/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
72/7 = 72 × 40/7 × 40 = 2880/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
60/40 = 60 × 7/40 × 7 = 420/280 - Add the two like fractions:
2880/280 + 420/280 = 2880 + 420/280 = 3300/280 - 3300/280 simplified gives 165/14
- So, 72/7 + 60/40 = 165/14
In mixed form: 1111/14
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