Add 4/45 and 81/70
1st number: 4/45, 2nd number: 1 11/70
4/45 + 81/70 is 157/126.
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,
4/45 = 4 × 14/45 × 14 = 56/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
81/70 = 81 × 9/70 × 9 = 729/630 - Add the two like fractions:
56/630 + 729/630 = 56 + 729/630 = 785/630 - 785/630 simplified gives 157/126
- So, 4/45 + 81/70 = 157/126
In mixed form: 131/126
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