Add 45/63 and 25/70
45/63 + 25/70 is 15/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
45/63 = 45 × 10/63 × 10 = 450/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
25/70 = 25 × 9/70 × 9 = 225/630 - Add the two like fractions:
450/630 + 225/630 = 450 + 225/630 = 675/630 - 675/630 simplified gives 15/14
- So, 45/63 + 25/70 = 15/14
In mixed form: 11/14
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