Add 80/90 and 16/63
80/90 + 16/63 is 8/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
80/90 = 80 × 7/90 × 7 = 560/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
16/63 = 16 × 10/63 × 10 = 160/630 - Add the two like fractions:
560/630 + 160/630 = 560 + 160/630 = 720/630 - 720/630 simplified gives 8/7
- So, 80/90 + 16/63 = 8/7
In mixed form: 11/7
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