Add 9/7 and 63/90
1st number: 1 2/7, 2nd number: 63/90
9/7 + 63/90 is 139/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 7 × 90 = 630,
9/7 = 9 × 90/7 × 90 = 810/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
63/90 = 63 × 7/90 × 7 = 441/630 - Add the two like fractions:
810/630 + 441/630 = 810 + 441/630 = 1251/630 - 1251/630 simplified gives 139/70
- So, 9/7 + 63/90 = 139/70
In mixed form: 169/70
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