Add 25/90 and 45/70
25/90 + 45/70 is 58/63.
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,
25/90 = 25 × 7/90 × 7 = 175/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
45/70 = 45 × 9/70 × 9 = 405/630 - Add the two like fractions:
175/630 + 405/630 = 175 + 405/630 = 580/630 - 580/630 simplified gives 58/63
- So, 25/90 + 45/70 = 58/63
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