Add 72/70 and 80/9
1st number: 1 2/70, 2nd number: 8 8/9
72/70 + 80/9 is 3124/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
72/70 = 72 × 9/70 × 9 = 648/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
80/9 = 80 × 70/9 × 70 = 5600/630 - Add the two like fractions:
648/630 + 5600/630 = 648 + 5600/630 = 6248/630 - 6248/630 simplified gives 3124/315
- So, 72/70 + 80/9 = 3124/315
In mixed form: 9289/315
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