Add 70/45 and 72/56
1st number: 1 25/45, 2nd number: 1 16/56
70/45 + 72/56 is 179/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 45 × 56 = 2520,
70/45 = 70 × 56/45 × 56 = 3920/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
72/56 = 72 × 45/56 × 45 = 3240/2520 - Add the two like fractions:
3920/2520 + 3240/2520 = 3920 + 3240/2520 = 7160/2520 - 7160/2520 simplified gives 179/63
- So, 70/45 + 72/56 = 179/63
In mixed form: 253/63
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