Add 81/70 and 15/63
1st number: 1 11/70, 2nd number: 15/63
81/70 + 15/63 is 293/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
81/70 = 81 × 9/70 × 9 = 729/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
15/63 = 15 × 10/63 × 10 = 150/630 - Add the two like fractions:
729/630 + 150/630 = 729 + 150/630 = 879/630 - 879/630 simplified gives 293/210
- So, 81/70 + 15/63 = 293/210
In mixed form: 183/210
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