Add 42/35 and 28/90
1st number: 1 7/35, 2nd number: 28/90
42/35 + 28/90 is 68/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
42/35 = 42 × 18/35 × 18 = 756/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
28/90 = 28 × 7/90 × 7 = 196/630 - Add the two like fractions:
756/630 + 196/630 = 756 + 196/630 = 952/630 - 952/630 simplified gives 68/45
- So, 42/35 + 28/90 = 68/45
In mixed form: 123/45
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