Add 72/8 and 12/7
1st number: 9 0/8, 2nd number: 1 5/7
72/8 + 12/7 is 75/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
72/8 = 72 × 7/8 × 7 = 504/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
12/7 = 12 × 8/7 × 8 = 96/56 - Add the two like fractions:
504/56 + 96/56 = 504 + 96/56 = 600/56 - 600/56 simplified gives 75/7
- So, 72/8 + 12/7 = 75/7
In mixed form: 105/7
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