Add 42/75 and 8/40
42/75 + 8/40 is 19/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 40 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
42/75 = 42 × 8/75 × 8 = 336/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
8/40 = 8 × 15/40 × 15 = 120/600 - Add the two like fractions:
336/600 + 120/600 = 336 + 120/600 = 456/600 - 456/600 simplified gives 19/25
- So, 42/75 + 8/40 = 19/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/75+8/40 42/75+16/40 42/75+8/80 42/75+24/40 42/75+56/40