Add 25/28 and 42/80
25/28 + 42/80 is 397/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 28 × 20 = 560,
25/28 = 25 × 20/28 × 20 = 500/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
42/80 = 42 × 7/80 × 7 = 294/560 - Add the two like fractions:
500/560 + 294/560 = 500 + 294/560 = 794/560 - 794/560 simplified gives 397/280
- So, 25/28 + 42/80 = 397/280
In mixed form: 1117/280
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