Add 15/90 and 42/35
1st number: 15/90, 2nd number: 1 7/35
15/90 + 42/35 is 41/30.
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,
15/90 = 15 × 7/90 × 7 = 105/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
42/35 = 42 × 18/35 × 18 = 756/630 - Add the two like fractions:
105/630 + 756/630 = 105 + 756/630 = 861/630 - 861/630 simplified gives 41/30
- So, 15/90 + 42/35 = 41/30
In mixed form: 111/30
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