Add 70/45 and 42/30
1st number: 1 25/45, 2nd number: 1 12/30
70/45 + 42/30 is 133/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
70/45 = 70 × 2/45 × 2 = 140/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
42/30 = 42 × 3/30 × 3 = 126/90 - Add the two like fractions:
140/90 + 126/90 = 140 + 126/90 = 266/90 - 266/90 simplified gives 133/45
- So, 70/45 + 42/30 = 133/45
In mixed form: 243/45
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