Add 90/45 and 27/70
1st number: 2 0/45, 2nd number: 27/70
90/45 + 27/70 is 167/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
90/45 = 90 × 14/45 × 14 = 1260/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
27/70 = 27 × 9/70 × 9 = 243/630 - Add the two like fractions:
1260/630 + 243/630 = 1260 + 243/630 = 1503/630 - 1503/630 simplified gives 167/70
- So, 90/45 + 27/70 = 167/70
In mixed form: 227/70
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