Add 56/70 and 72/45
1st number: 56/70, 2nd number: 1 27/45
56/70 + 72/45 is 12/5.
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,
56/70 = 56 × 9/70 × 9 = 504/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
72/45 = 72 × 14/45 × 14 = 1008/630 - Add the two like fractions:
504/630 + 1008/630 = 504 + 1008/630 = 1512/630 - 1512/630 simplified gives 12/5
- So, 56/70 + 72/45 = 12/5
In mixed form: 22/5
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