Add 90/7 and 40/90
1st number: 12 6/7, 2nd number: 40/90
90/7 + 40/90 is 838/63.
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,
90/7 = 90 × 90/7 × 90 = 8100/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
40/90 = 40 × 7/90 × 7 = 280/630 - Add the two like fractions:
8100/630 + 280/630 = 8100 + 280/630 = 8380/630 - 8380/630 simplified gives 838/63
- So, 90/7 + 40/90 = 838/63
In mixed form: 1319/63
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