Add 72/9 and 40/70
1st number: 8 0/9, 2nd number: 40/70
72/9 + 40/70 is 60/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
72/9 = 72 × 70/9 × 70 = 5040/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
40/70 = 40 × 9/70 × 9 = 360/630 - Add the two like fractions:
5040/630 + 360/630 = 5040 + 360/630 = 5400/630 - 5400/630 simplified gives 60/7
- So, 72/9 + 40/70 = 60/7
In mixed form: 84/7
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