Add 70/35 and 42/90
1st number: 2 0/35, 2nd number: 42/90
70/35 + 42/90 is 37/15.
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,
70/35 = 70 × 18/35 × 18 = 1260/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
42/90 = 42 × 7/90 × 7 = 294/630 - Add the two like fractions:
1260/630 + 294/630 = 1260 + 294/630 = 1554/630 - 1554/630 simplified gives 37/15
- So, 70/35 + 42/90 = 37/15
In mixed form: 27/15
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