Add 80/45 and 63/70
1st number: 1 35/45, 2nd number: 63/70
80/45 + 63/70 is 241/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
80/45 = 80 × 14/45 × 14 = 1120/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
63/70 = 63 × 9/70 × 9 = 567/630 - Add the two like fractions:
1120/630 + 567/630 = 1120 + 567/630 = 1687/630 - 1687/630 simplified gives 241/90
- So, 80/45 + 63/70 = 241/90
In mixed form: 261/90
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Related: 80/90+63/70