Add 72/70 and 8/45
1st number: 1 2/70, 2nd number: 8/45
72/70 + 8/45 is 76/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 45 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 45 × 14 = 630,
8/45 = 8 × 14/45 × 14 = 112/630 - Add the two like fractions:
648/630 + 112/630 = 648 + 112/630 = 760/630 - 760/630 simplified gives 76/63
- So, 72/70 + 8/45 = 76/63
In mixed form: 113/63
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