Add 70/45 and 12/30
1st number: 1 25/45, 2nd number: 12/30
70/45 + 12/30 is 88/45.
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,
12/30 = 12 × 3/30 × 3 = 36/90 - Add the two like fractions:
140/90 + 36/90 = 140 + 36/90 = 176/90 - 176/90 simplified gives 88/45
- So, 70/45 + 12/30 = 88/45
In mixed form: 143/45
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