Add 42/15 and 70/90
1st number: 2 12/15, 2nd number: 70/90
42/15 + 70/90 is 161/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
42/15 = 42 × 6/15 × 6 = 252/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
70/90 = 70 × 1/90 × 1 = 70/90 - Add the two like fractions:
252/90 + 70/90 = 252 + 70/90 = 322/90 - 322/90 simplified gives 161/45
- So, 42/15 + 70/90 = 161/45
In mixed form: 326/45
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