Add 28/90 and 7/35
28/90 + 7/35 is 23/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
28/90 = 28 × 7/90 × 7 = 196/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
7/35 = 7 × 18/35 × 18 = 126/630 - Add the two like fractions:
196/630 + 126/630 = 196 + 126/630 = 322/630 - 322/630 simplified gives 23/45
- So, 28/90 + 7/35 = 23/45
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