Add 70/56 and 80/15
1st number: 1 14/56, 2nd number: 5 5/15
70/56 + 80/15 is 79/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 15 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
70/56 = 70 × 15/56 × 15 = 1050/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
80/15 = 80 × 56/15 × 56 = 4480/840 - Add the two like fractions:
1050/840 + 4480/840 = 1050 + 4480/840 = 5530/840 - 5530/840 simplified gives 79/12
- So, 70/56 + 80/15 = 79/12
In mixed form: 67/12
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