Add 63/70 and 8/45
63/70 + 8/45 is 97/90.
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,
63/70 = 63 × 9/70 × 9 = 567/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
8/45 = 8 × 14/45 × 14 = 112/630 - Add the two like fractions:
567/630 + 112/630 = 567 + 112/630 = 679/630 - 679/630 simplified gives 97/90
- So, 63/70 + 8/45 = 97/90
In mixed form: 17/90
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