Add 15/40 and 80/49
1st number: 15/40, 2nd number: 1 31/49
15/40 + 80/49 is 787/392.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 49 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
15/40 = 15 × 49/40 × 49 = 735/1960 - Likewise, for the 2nd fraction, since 49 × 40 = 1960,
80/49 = 80 × 40/49 × 40 = 3200/1960 - Add the two like fractions:
735/1960 + 3200/1960 = 735 + 3200/1960 = 3935/1960 - 3935/1960 simplified gives 787/392
- So, 15/40 + 80/49 = 787/392
In mixed form: 23/392
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