Add 21/75 and 30/56
21/75 + 30/56 is 571/700.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 56 is 4200
Next, find the equivalent fraction of both fractional numbers with denominator 4200 - For the 1st fraction, since 75 × 56 = 4200,
21/75 = 21 × 56/75 × 56 = 1176/4200 - Likewise, for the 2nd fraction, since 56 × 75 = 4200,
30/56 = 30 × 75/56 × 75 = 2250/4200 - Add the two like fractions:
1176/4200 + 2250/4200 = 1176 + 2250/4200 = 3426/4200 - 3426/4200 simplified gives 571/700
- So, 21/75 + 30/56 = 571/700
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/75+30/56 21/75+60/56 63/75+30/56 21/75+90/56