Add 56/90 and 45/70
56/90 + 45/70 is 797/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
56/90 = 56 × 7/90 × 7 = 392/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
45/70 = 45 × 9/70 × 9 = 405/630 - Add the two like fractions:
392/630 + 405/630 = 392 + 405/630 = 797/630 - So, 56/90 + 45/70 = 797/630
In mixed form: 1167/630
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Related: 56/90+90/70