Add 72/70 and 28/9
1st number: 1 2/70, 2nd number: 3 1/9
72/70 + 28/9 is 1304/315.
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,
28/9 = 28 × 70/9 × 70 = 1960/630 - Add the two like fractions:
648/630 + 1960/630 = 648 + 1960/630 = 2608/630 - 2608/630 simplified gives 1304/315
- So, 72/70 + 28/9 = 1304/315
In mixed form: 444/315
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