Add 25/18 and 81/70
1st number: 1 7/18, 2nd number: 1 11/70
25/18 + 81/70 is 802/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
25/18 = 25 × 35/18 × 35 = 875/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
81/70 = 81 × 9/70 × 9 = 729/630 - Add the two like fractions:
875/630 + 729/630 = 875 + 729/630 = 1604/630 - 1604/630 simplified gives 802/315
- So, 25/18 + 81/70 = 802/315
In mixed form: 2172/315
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