Add 4/70 and 81/45
1st number: 4/70, 2nd number: 1 36/45
4/70 + 81/45 is 13/7.
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,
4/70 = 4 × 9/70 × 9 = 36/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
81/45 = 81 × 14/45 × 14 = 1134/630 - Add the two like fractions:
36/630 + 1134/630 = 36 + 1134/630 = 1170/630 - 1170/630 simplified gives 13/7
- So, 4/70 + 81/45 = 13/7
In mixed form: 16/7
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