Add 7/70 and 45/18
1st number: 7/70, 2nd number: 2 9/18
7/70 + 45/18 is 13/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
7/70 = 7 × 9/70 × 9 = 63/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
45/18 = 45 × 35/18 × 35 = 1575/630 - Add the two like fractions:
63/630 + 1575/630 = 63 + 1575/630 = 1638/630 - 1638/630 simplified gives 13/5
- So, 7/70 + 45/18 = 13/5
In mixed form: 23/5
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