Add 1/30 and 42/56
1/30 + 42/56 is 47/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
1/30 = 1 × 28/30 × 28 = 28/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
42/56 = 42 × 15/56 × 15 = 630/840 - Add the two like fractions:
28/840 + 630/840 = 28 + 630/840 = 658/840 - 658/840 simplified gives 47/60
- So, 1/30 + 42/56 = 47/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/30+42/56 1/30+84/56 1/60+42/56 3/30+42/56 1/90+42/56 5/30+42/56 7/30+42/56