Add 50/90 and 42/70
50/90 + 42/70 is 52/45.
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,
50/90 = 50 × 7/90 × 7 = 350/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
42/70 = 42 × 9/70 × 9 = 378/630 - Add the two like fractions:
350/630 + 378/630 = 350 + 378/630 = 728/630 - 728/630 simplified gives 52/45
- So, 50/90 + 42/70 = 52/45
In mixed form: 17/45
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